Mopar Chrysler SB 318 340 360 Hyd FT Cylinder Head Top End Engine Combo Kit Speedmaster LS dual 4-barrel

Speedmaster LS dual 4-barrel

The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise

Couple this Hi-Ram intake with the high flowing LS3 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications

Suits: 1-149-004 and 1-149-005 Manifolds

On the outside we've added a heavy-duty

Mopar Chrysler SB 318 340 360 Hyd FT Cylinder Head Top End Engine Combo Kit Speedmaster LS dual 4-barrelDon'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.