Hedman Headers - 1.75 in Primary - 3 in Collector - Silver Ceramic - GM LS-Series - GM F-Body 1967-69 - Pair Leak Down Tester and a bullet shaped radius

and a bullet shaped radius to help eliminate cross threading

1966-73 GTO and Tempest models with a Saginaw (343) 3-speed transmission with/without a console

2007 GMC Sierra 1500 Classic SL Crew Cab Pickup

Distributors

Hedman Headers - 1.75 in Primary - 3 in Collector - Silver Ceramic - GM LS-Series - GM F-Body 1967-69 - Pair Leak Down Tester and a bullet shaped radiusHedman Hedders Ls Swap Headers; Mid Length; 67 69 Camaro Firebird (F Body) & 68 74 Nova Ventura (X Body); HTC Silver Ceramic Coated Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and mid length tube headers for GM F Body and Nova models for decades, so designing a good fitting, great performing set of headers for the popular LS engine swap. Each set uses smooth flowing, CNC mandrel bent