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Photo of header reducers, gaskets and hardware included with Hedman Hedders This Product is MADE IN THE USA! Photo of Hedman's Black-Maxx Satin Black Ceramic-metallic header finish.

BLACK LONG-TUBE HEADERS For 67-91 GM 4WD 7.4L TRUCKS With A.I.R.

Standard-Duty Black Coated, Long Tube Headers For 1967-87 CHEVY/GMC 4WD 1 Ton (only) Pick-Up Truck; 7.4L Chevy Engine With A.I.R. (Centered Engine Chassis Only); 1-3/4 in. Tubes; 3 in. Ball/Socket Collector

Part#63381
$938.21
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Product Specifications

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

  • Tube Diameter 1-3/4 in.
  • Tube Style Long Tubes
  • Air Conditioning Yes
  • Automatic Transmission - Column Yes
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor Yes
  • 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 headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
  • E.O. # No
  • Emissions Notes Not currently legal for sale or use in California. Please call for status update
  • Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Finish Type BLACK MAXX- Black Ceramic-Metallic Coating
  • Flange Style Standard
  • Flange Thickness 0.3125 in.
  • Header Port Shape Round
  • Header Style Long Tube
  • Notes 67-91 Chev. 1/2, 3/4, 1 Ton Truck 396-502 w/A.I.R.
  • Port Shape Round
  • Power Steering Yes
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-3/4 in.
  • Variations 69381
  • with A.I.R. System Yes
  • 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) 1.75 in.
  • Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
  • Header Material Mild Steel
  • Header Finish BLACK MAXX Satin Black Ceramic-Metallic
  • Cylinder Head Port Shape Round
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27530
  • Replacement Head Flange Gasket 27530
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnYes
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(160) Early Model Chassis. ENGINE CENTERED in vehicle.
      (208) Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy may have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
      (225) Designed for use with a Trans-Dapt throttle body spacer.
      (45) Not legal for sale or use in California on pollution controlled motor vehicles.
      (5) With A.I.R. system.
      (6) Modification to stock exhaust required to retain catalytic converter.
      Drivetrain4WD
      Emissions NotesRACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
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