Edelbrock part #7158 Performer RPM small port intake manifold is designed to fit 1958-1965 Chevrolet 348/409 "W" big-block engines. Includes Oil Fill Tube (not installed) and matching push-in breather cap. The Oil Fill Tube and Breather are also available separately as #4803. For square-bore carburetors only. Warranty Installation Instructions Installation Instructions
