Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit It is set up to

It is set up to accept a spread bore carb

It also features nitrous bosses and rear water ports

ensuring a perfect fit and maximum efficiency

327 and 350 V8s with 1987-95 heads with OEM 4-bbl carb

It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs

Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit It is set up toDon'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.