Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit They feature lightweight construction with

They feature lightweight construction with a thick rail for gasket support

It is set up to accept a spread bore carb

These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body

Superior engineering

Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit They feature lightweight construction withDon'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.