Pontiac 400 455 Ram Air IV Hyd FT Cylinder Head Top End Engine Combo Kit These Speedmaster tailshaft housings are

These Speedmaster tailshaft housings are designed to fit the stock Turbo 400 transmissions

highly specialized silicone magnetic steel cores

Speedmaster air filter bases are just what you need to build that custom air cleaner assembly

Speedmaster EFI intake manifolds make it simple to convert competition engines to electronic fuel injection

Pontiac 400 455 Ram Air IV Hyd FT Cylinder Head Top End Engine Combo Kit These Speedmaster tailshaft housings areDon'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.