Edelbrock part #2892 Super Victor II intake manifold is designed to work with modern high flowing 23-degree heads on large cubic inch applications. The runner area at the plenum is 25% larger than our Super Victor #2925, and the port exits are machine-mat Product Features:4000-8000 RPM RangeSingle Plane Type-4150 Style Flange6.56 in. Front Height, 6.56 in. Center Height, 6.56 in. Rear HeightSatin FinishMade In The USA