Billet Ford RY45 Intake Manifold

This Intake Manifold is 100% CNC machined out of 6061 aluminum and weighs only 11 lbs. Designed to fit standard port RY-45 cylinder heads. Makes plenty of horsepower and torque at higher rpms without sacrificing drivability and mid-range performance for off corner acceleration. Fits 9.070″ deck heights, 4150 carburetor flange, and works best on 420-450 cubic inch engines.