Ford 289-302W Hi-Rise Single Plane Intake Manifold, Natural Cast Finish3000 - 8000 RPM, Square Bore Carburettor Pad, Non-EGRBrand: AEROFLOWPart Number: AF6000-2002Description: Get the maximum power from your carburetted engine with this Hi Rise Small Block Ford carburetted cast intake manifold. This single-plane intake manifold is designed tokeep your air and fuel distribution going into the engine at a steady and even flow for maximum performance and efficiency. The carburettor-mounting pad is designed to accept aftermarketsquare-bore carburettors with either manual or electric choke options available on today’s market. Specifically designed for 289,302 and 351 cubic inch small-block Ford Windsor engines operating from 3000 to7500 rpm range. In most cases,these manifolds accept late model water necks, air conditioning, alternator and H.E.I. ignition systems. This manifold is a Hi-Rise race style manifold designed for high rpm. It does feature dual distributor hold-downs and four corner water ports plus a fifth water outlet in the front of the manifold. Intake Runners should be port matched to your cylinder heads for optimal performance. • Fits Small Block Ford 289 and 302 Windsor Engines. • Single Plane Configuration. • RPM operating range - 3000 to 7000. • Natural Cast Finish. Additional Specifications: Manifold Specifications - Square bore carburettor pad- Overall height (Carb pad to bottom of manifold) is 150mm (Ensure to Check Bonnet Clearance)- Port Size: 1.10" x 1.90"- Intake manifold gasket, Fel Pro 1250- 5/16-18" carburettor studs (x4)- 1/2" NPT ports (x1)- 3/8" NPT ports (x3)