Hedman Headers Chev SB For 71-94, 283/400 - Set#HED68290

Application CHEVROLET CHEVELLE,MALIBU,EL CAMINO 1964-1977 283, 302, 305, 307, 327, 350, 372, 383, 400

HEDMAN LONG-TUBE headers fit a variety of popular 1971-1993 Chevy Passenger cars, including Impala, Caprice and Bel Air; 1970-1977 Monte Carlo (A-Body) , and 1964-1977 Chevy Chevelle, Malibu and El Camino models fitted with a SB Chevy (Gen 1) engine. The smooth 1-5/8 in tube design provides ample exhaust flow to let your 283-400 SB Chevy engine breathe easy, and produce maximum horsepower and torque. 

Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.

GM Cars

Will not fit Saginaw close ratio power steering with 825 power steering box.
Will fit with angle plug heads. (Chevy aluminum only.)
Must modify rotary A/C bracket.

Specifications :

Product Type: Headers

Product Line: Hedman Street Headers

Header Style: Long tube one-piece

Header Material: Steel

Header Color: Temporary non-high temperature paint

Weld-Up: No

Primary Tube Outside Diameter: 1 5/8"

Flange Style: Standard

Cylinder Head Port Shape: Round

Collector Attachment: Ball and socket flange

Collector Diameter: 3.00"

Collector Reducers Included: Yes

Collector Reducer Exit Diameter: 2.500"

Tuned: No

Primary Tube Gauge: 18-gauge

Spark Plug Position: Angle/Straight

Flange Thickness: 0.250"

Bolts/Studs Included: Yes

Gaskets Included: Yes

Crossover Pipe Included: No

Catalytic Converter(s) Included: No

Motor Mounts Included: No

Transmission Mount Included: No

Quantity: Sold as a Set

Notes: For use on models without A.I.R. 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.