Mopar Chrysler SB 318 340 360 Hyd Roller Cylinder Head Top End Engine Combo Kit the LS-series heads are produced

the LS-series heads are produced using our "Gravity Casting" process

This Speedmaster Throttle Body is designed to produce smooth

Made from 5051 aircraft aluminum alloy

We have developed a superior line of heads for modern performance enthusiasts

Mopar Chrysler SB 318 340 360 Hyd Roller Cylinder Head Top End Engine Combo Kit the LS-series heads are producedDon'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.