Designed in conjunction with noted Ford drag racer Billy Glidden for Ford SC-1 and Edelbrock Victor Pro-Port cylinder heads, this intake is intended for 400 c.i. and up high output race engines with a 9.5" deck height. The runner dividers are pulled back and the end runners are shortened to increase plenum size for more peak horsepower. It is the ideal manifold for dirt track or drag racing with Edelbrock Glidden Victor Pro-Port heads 350-773169 in classes requiring in-line valve heads and a standard flange carburetor.