Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit It also features nitrous bosses

It also features nitrous bosses and rear water ports

but both factors can be equally important in a race car

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and quality components are combined into a precision-machined compact package

short block engines are the solution to a hassle-free power build

Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit It also features nitrous bossesDon'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.