Hedman Street Shorty Headers - 1-1/2 in Primary - 2-1/2 in Collector - Silver Ceramic - Ford Fullsize 1964-77/Mustang 1964-73/Mercury Cougar (Pair) FHR Hardware Magnum FORCE Stage 2 XP

Magnum FORCE Stage 2 XP

Note that sometimes these materials are referred to as "fireproof"

Chevrolet Brookwood Base 454 1959 to 1961

430 lb/in rear spring rate

Hedman Street Shorty Headers - 1-1/2 in Primary - 2-1/2 in Collector - Silver Ceramic - Ford Fullsize 1964-77/Mustang 1964-73/Mercury Cougar (Pair) FHR Hardware Magnum FORCE Stage 2 XPThe Short Tube Header Design Provides Good Low End Power, and Provides Excellent Ground Clearance And Component Compatibility. Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket Style Header Collectors Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters) Limted Lifetime Warranty On Construction, Five Year Warranty on Factory Applied Header Coating!