Mopar Chrysler SB 318 340 360 Hyd Roller Cylinder Head Top End Engine Combo Kit Use the stock Quadra-Jet carb

Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor

They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance

The quality of these throttle bodies are better than others available today

accurate movements when shifting

along with optimized winding

Mopar Chrysler SB 318 340 360 Hyd Roller Cylinder Head Top End Engine Combo Kit Use the stock Quadra-Jet carbDon'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.