Hedman Headers - Pontiac 326-455,1964-81 Grand Prix, Le Mans, GTO, Firebird Set 6222180 A thin font seal is

A thin font seal is required when used along with some cast aluminum oil pans

25 x 30 Metric Coarse Hex Set Screws 50 Pieces Zinc Plated Class 8

Product Line: Thermo-Tec Exhaust Wrap

MOUNTING BLOCK MATERIAL Billet Aluminum

air consumption (cfm) : 9

Hedman Headers - Pontiac 326-455,1964-81 Grand Prix, Le Mans, GTO, Firebird Set 6222180 A thin font seal isHEDMAN Standard Uncoated Headers; 1 5 8 2" Tube Diameter; 3" Coll.; FULL LENGTH Design LONG TUBE design provides ample exhaust flow to let your 326 455 Pontiac engine breathe easy, and produce maximum horsepower and torque. These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. They are also available with a ceramic metallic finish. Suits 1970 74 Pontiac