This single plane manifold is capable of even higher rpm than the Victor Junior. Designed for all-out racing, it’s well suited for competition 289-302 engines with an 8.2” deck height and aftermarket Windsor-style racing cylinder heads. This is an excellent manifold for large displacement drag racing engines, delivering huge power gains from 4500 to 8500 rpm. Carburetor pad is 3/4” taller than the Victor junior manifold.