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Hedman Street Headers 69110 Headers, Street, Long Tube, Steel, Temporary Paint, Chevy, GMC, Big Block, Pair

SKU: HED69110

Headers

Hedman Street Headers 69110 Headers, Street, Long Tube, Steel, Temporary Paint, Chevy, GMC, Big Block, Pair

SKU: HED69110

Headers
A$1,147.20
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

For the price, no other part can give you the horsepower and fuel economy improvements of Hedman headers. They make Hedman Street headers so well that they guarantee them to be free from defects--including cracks in the tubes and welds--for the life of the headers. Hedman Street headers are available uncoated or in Black Maxx or their polished HTC thermal ceramic coated finishes and, as an added bonus, they also come with all necessary gaskets and mounting hardware. Unless otherwise noted, these headers are designed to fit the vehicle as it came from the manufacturer. This includes components like cylinder heads, chassis, steering, motor mounts, body mounts, and bushings, etc. If your vehicle is using aftermarket components, parts from other applications, or custom-altered parts, then it is the installer's responsibility to verify fitment.

Special warning regarding Hedman painted headers only. The paint on these headers is not designed as a final finish; it is designed to protect the headers after the manufacturing process and during shipping. This paint will not withstand the high heat associated with engine break-in, nor will it withstand the heat cycles associated with any type of driving. It is recommended that this protective coating be stripped, and a high heat paint or coating designed for use on headers be applied.

Part Type

68-86 2wd & 68-81 4wd Bb

Data: v4.2 - Upd: 2026-10-01 05:02:11

Specifications

Product Attributes - Brand
Hedman Hedders
Product Attributes - Manufacturer's Part Number
69110
Product Attributes - Part Type
Headers
Product Attributes - Product Line
Hedman Street Headers
Product Attributes - UPC
732611691109
Product Attributes - Header Style
Long tube one-piece
Product Attributes - Header Material
Steel
Product Attributes - Primary Tube Outside Diameter (in.)
1 3/4 in.
Product Attributes - Header Color
Temporary non-high temperature paint
Product Attributes - Flange Style
Standard
Product Attributes - Weld-Up
No
Product Attributes - Cylinder Head Port Shape
Round
Product Attributes - Collector Attachment
Ball and socket flange
Product Attributes - Collector Diameter (in.)
3.00
Product Attributes - Collector Reducers Included
Yes
Product Attributes - Collector Reducer Exit Diameter
2.500 in.
Product Attributes - Tuned
No
Product Attributes - Primary Tube Gauge
16-gauge
Product Attributes - Flange Thickness (in.)
0.31 in.
Product Attributes - Bolts/Studs Included
Yes
Product Attributes - Gaskets Included
Yes
Product Attributes - Crossover Pipe Included
No
Product Attributes - Catalytic Converter(s) Included
No
Product Attributes - Motor Mounts Included
No
Product Attributes - Transmission Mount Included
No
Product Attributes - Quantity
Sold as a pair.
Product Attributes - Notes
Does not fit vehicles with offset (right) engine position. The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended.

Reference Information

Brand Name/s Hedman Hedders
StreetFX SKU hed69110
SFX Item ID 5070553
Supplier Item Code 5070553
Manufacturer SKU 69110
Manufacturer UPC 732611691109

Compatibility

Application Data
  • MakeCHEVROLET
    ModelBLAZER
    Beginning Year1969
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    Beginning Year1969
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    Beginning Year1987
    Ending Year1991
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    Beginning Year1987
    Ending Year1991
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    Beginning Year1987
    Ending Year1991
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    Beginning Year1987
    Ending Year1991
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelBLAZER
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelCHEYENNE
    Beginning Year1975
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelCUSTOM
    Beginning Year1981
    Ending Year1986
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelCUSTOM DELUXE
    Beginning Year1975
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelCUSTOM DELUXE
    Beginning Year1975
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelDELUXE
    Beginning Year1981
    Ending Year1981
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20
    SubmodelDELUXE
    Beginning Year1981
    Ending Year1981
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    Beginning Year1967
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.0L/366
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    Beginning Year1967
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    SubmodelBASE
    Beginning Year1968
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    SubmodelBASE
    Beginning Year1968
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    SubmodelBASE
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    SubmodelBASE
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 6 - Modification to stock exhaust required to retain catalytic converter. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.
  • MakeCHEVROLET
    ModelC20 PICKUP
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    DrivetrainRWD
    Power SteeringYes
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftYes
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
    FootnotesD - Not legal for sale or use in California. 1 - Without smog injection or injection heads. 45 - Not legal for sale or use in California on pollution-controlled motor vehicles. 112 - Must use factory big block Chevy hardware and mounts. 139 - Must use 1975 and later model clutch linkage located at rear of engine. 208 - Chevy 502 big block generation 6 engines with aluminum cylinder heads will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary. 213 - Elite replacement gasket HED-27550.

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