7151WND Weiand 6-71/8-71 Supercharger Intake Manifold

6-71/8-71 Supercharger Intake Manifold Chevrolet Big Block 396-502 Rectangle Port Satin Finish. 6-71/8-71 Chevy B/B 396-502. Manifold is designed for rectangle or oval port heads. Must use Felpro Gasket P/N 1251 for installation on oval port heads.