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Photo of long tube headers for 1967-81 Camaros Photo of Hedman Hedders for 67-81 Camaro; 68-79 Nova 283-400; Close Ratio Uncoated Headers; 1-5/8 Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! Uncoated Headers; 1-5/8
Uncoated Headers; 1-5/8

Long-Tube Headers For 67-81 Camaro 283-400, Close Ratio PS

Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design (for close-ratio steering boxes); Not For use with Clam Shell Engine Mounts

Part#68670
$395.66

Product Specifications

[PLEASE REVIEW THE FOLLOWING PRODUCT ATTRIBUTES & VEHICLE APPLICATION FOOTNOTES SPECIFIC TO YOUR VEHICLE, THOROUGHLY]

  • Tube Diameter 1-5/8 in.
  • Tube Style Long Tubes
  • Air Conditioning Yes
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor Yes
  • Power Steering Yes
  • Footnotes 16. Not For Use with Clam Shell Style Engine Mount Pads.
  • Collector Attachment 3 in.
  • Collector Diameter 3 in.
  • Collector Size 3 in.
  • Collector Style BALL and SOCKET Style (Gasketless)
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Contents Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
  • E.O. # No
  • Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
  • Finish Uncoated
  • Finish Type UNCOATED Mild Steel! Shipped with Temporary Paint.
  • Flange Style Standard
  • Flange Thickness 0.3125 in.
  • Header Port Shape Oval Port
  • Header Style Long Tube
  • Notes 67-81 Camaro; 68-79 Nova 283-400; Close Ratio
  • Key Feature Close-Ratio Steering Box
  • Port Shape Oval
  • Product Info This set of headers has been designed specifically for use on vehicles with a close-ratio steering box.
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-5/8 in.
  • Variations 68676
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Collector Bolts Included Yes
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Header Fasteners Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts Included No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16g
  • Primary Tube Diameter (in) 1.625 in.
  • Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
  • Header Material Mild Steel
  • Header Finish Uncoated
  • Cylinder Head Port Shape Oval
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27520
  • Replacement Head Flange Gasket 27520
  • California Proposition 65 WARNING: Cancer. For more info visit www.P65Warnings.ca.gov
  • Close Ratio Steering Box YES

Vehicle Applications

      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNot for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (104) On some models it may be necessary to remove Z bars. (SS Series)
      (121) Must modify rotary A/C bracket.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
      Vehicle Specific Information
      Air ConditioningNo
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (234) Design with additional clearance for close ratio steering boxes.
      (6) Modification to stock exhaust required to retain catalytic converter.
      (16) Not For Use with Clam Shell Style Engine Mount Pads.
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Engine FamilySB Chevy 283-400 (Gen 1)
×