Hedman Performance Group

Photo of header reducers, gaskets and hardware included with Hedman Hedders

Photo of Hedman's HTC Polished SIlver Ceramic Finish

Silver Mid-Length E.O. Headers For 67-69 Camaro 283-400 w/A.I.R.

HTC Coated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; Mid-Length Design

Part#66641

$701.87

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Product Specifications

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

Tube Diameter 1-5/8 in.
Tube Style Mid-Length
Air Conditioning Yes
Automatic Transmission - Column No
Automatic Transmission - Floor No
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 Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
E.O. # Yes
Emissions Notes EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
Finish HTC Polished Silver Ceramic-Metallic
Finish Type HTC SILVER (polished) Ceramic-metallic Coating
Flange Style Standard
Flange Thickness 0.3125 in.
Header Port Shape Round
Header Style Mid-Length Tube
Notes 67-81 Camaro, 68-74 Nova SBC, w/AIR w/Man. Trans
Key Feature With A.I.R.
Port Shape Round
Power Steering Yes
Material Mild Steel
Tube Design Standard
Tube Length Mid-Length Tubes
Tube Material Thickness 16g
Tube Size 1-5/8 in.
Variations 68641, 61648
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) 1.625 in.
Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Header Material Mild Steel
Header Finish HTC Polished Silver Ceramic-Metallic
Cylinder Head Port Shape Round
Cylinder Head Stock Profile Heads
Header Construction MILD STEEL- Standard-Duty
Replacement Gasket 27500
Replacement Head Flange Gasket 27500
California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

Chevrolet

Camaro

Year

C.I.D.

Liter

Block Type

Cylinders

Fuel Type

Drive Type

1967

327

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1967

302

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1967

283

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1967

400

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1967

305

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1967

350

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

350

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

327

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

302

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

400

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

305

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

283

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

327

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

302

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

400

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

305

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

283

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

350

GAS

Vehicle Specific Information
Air Conditioning	Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

Chevy II

Year

C.I.D.

Liter

Block Type

Cylinders

Fuel Type

Drive Type

1968

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

307

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1968

327

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

Nova

Year

C.I.D.

Liter

Block Type

Cylinders

Fuel Type

Drive Type

1969

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1969

307

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1970

307

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1970

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1971

307

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1971

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1972

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1972

307

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1973

307

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1973

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)

1974

350

GAS

Vehicle Specific Information
Air Conditioning	No
Power Steering	Yes
Auto Transmission - Column	No
Auto Transmission - Floor	No
Manual Transmission - Column	No
Manual Transmission - Floor	Yes
Footnotes	(103) Will fit with angle plug heads (Chevy aluminum only, L98). (121) Must modify rotary A/C bracket. (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69. (5) With A.I.R. system. (6) Modification to stock exhaust required to retain catalytic converter.
E.O. Number	D167-33
Emissions Notes	50 State Legal (street legal) Headers per vehicle listing on C.A.R.B. EO D167-33
Engine Family	SB Chevy 283-400 (Gen 1)