Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit The shifters have stamped components

The shifters have stamped components to ensure smooth

The GM LS3 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

It also features nitrous bosses and rear water ports

It is similar to our LowRise

The dual plane

Chevy BBC 454 Hyd Roller Cylinder Head Top End Engine Combo Kit The shifters have stamped componentsDon'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.