Flowtech Long Tube Headers - 1970-79 Firebird Trans Am/1964-75 GTO/LeMans/Grand-Am - 350/455 - 1.625" - 3" Collector - Ceramic Coated H75300156 Carb pad will accept square-bore

Carb pad will accept square-bore carbs without adapters

The wear resistant tool steel axle prolongs the life of the roller assembly

376 in Thick

Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength

Flowtech Long Tube Headers - 1970-79 Firebird Trans Am/1964-75 GTO/LeMans/Grand-Am - 350/455 - 1.625" - 3" Collector - Ceramic Coated H75300156 Carb pad will accept square-boreFlowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5 16" flanges with sealing rings for a leak free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps