Chevy BBC 454 Rect Port Dominator w/Fuel Rail High Rise Intake Manifold Polished Speedmaster rear-end assemblies are the

Speedmaster rear-end assemblies are the ultimate solution

and corrosion-treated

it has a square bore carb flange instead of a spread bore

Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability

Chevy BBC 454 Rect Port Dominator w/Fuel Rail High Rise Intake Manifold Polished Speedmaster rear-end assemblies are theThese Shootout Series Manifolds are designed to use a dominator style carburetor. Our single plane big block manifold is now available with Dominator carburetor flange. Dual distributor holddowns. Nitrous injector bosses. Four corner water ports. Available with show polished or satin (unpolished) finish. Fits big block Chevy rectangular port cylinder heads on standard deck blocks.