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Hedman Standard Duty Uncoated Full Length Headers for 1978-87 G-Body 283-400

500-68311

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Hedman 68311
$396.99
Standard Duty Uncoated Full Length Headers
  • 1978-87 G-Body 283-400
  • Tube Size: 1-1/2"
  • Collector Size: 3"
  • Free Shipping - Ships directly from the manufacturer on 02/26/20
    Save $10 on $199, $20 on $299, $30 on $499, $100 on $1,199 Orders. Promo Code: WINNING exclusions apply
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    1983-1987  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BROUGHAM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1980  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LJ
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979  BUICK SKYLARK

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  CHEVROLET MONTE CARLO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1982-1983  CHEVROLET MALIBU

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1983  CHEVROLET MONTE CARLO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: 7
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981-1987  CHEVROLET MONTE CARLO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978-1980  BUICK REGAL

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1983  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LJ
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978  CHEVROLET MALIBU

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978-1981  CHEVROLET MALIBU

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  CHEVROLET MONTE CARLO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978-1979  OLDSMOBILE CUTLASS

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VISTA CRUISER
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978  OLDSMOBILE CUTLASS

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VISTA CRUISER
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978-1979  CHEVROLET EL CAMINO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978  BUICK SKYLARK

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1981  CHEVROLET MALIBU

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1985-1987  OLDSMOBILE CUTLASS

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SALON
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  OLDSMOBILE CUTLASS

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978-1979  BUICK SKYLARK

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978  CHEVROLET MONTE CARLO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LANDAU
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1987  CHEVROLET EL CAMINO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SJ
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1984-1987  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: LE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1983-1987  PONTIAC GRAND PRIX

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978  BUICK REGAL

    • Fitment_Note: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1978  CHEVROLET EL CAMINO

    • Fitment_Note: Air Conditioning: 1970 or later only- A/C equipped vehicles require bracket 20110.(Large piston compressor).; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (5) With A.I.R. system.; Footnotes: (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)
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

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