1963-72 Chevy, GMC C10, C20 FlowTech Long Tube BBC 396-454 Headers Power Steering Hoses and Fittings By moving the instant center

By moving the instant center to a better location

1985-87 Oldsmobile Cutlass

If you plan on running dual tailpipes or have dual down-pipes running into Venom or Pro Venom single inlet/outlet mufflers

3/4"-36 Lower Shaft

By moving the tank out of the cab

1963-72 Chevy, GMC C10, C20 FlowTech Long Tube BBC 396-454 Headers Power Steering Hoses and Fittings By moving the instant centerFlowtech 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 for increased performance. Collerctor Dia 3. 00" Primary Tube Dia 1.