Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit These valve covers are TIG-welded

These valve covers are TIG-welded and are manufactured to help eliminate distortion and ensure a perfect fit to help protect your valve covers and rocker arms

They feature lightweight construction with a thick rail for gasket support

but it can be attached on the vehicle's chassis

Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability

It is set up to accept a spread bore carb

Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit These valve covers are TIG-weldedDon't spend hours figuring out which pieces and parts you need to get what you want from your engine. Speedmaster has already done the work for you; our Top End engine kits will save you the time and hassle of mixing and matching components yourself. These kits are specifically designed to deliver the performance you want, at a better price than purchasing the parts separately.