Description: 100% Brand new,never been used Type:Intake Manifold Part Number: 7531 Intake Manifold Height: 5.110" Basic Operating RPM Range: 1500-6500 Intake Style: Dual Plane Intake Material: Aluminum Engine Block Deck Height: Standard deck Carburetor Mounting:4-barrel square bore Professional installation in highly recommended(No instruction included) Fitment: Compatible with AMC 1970-1979 304 360 401 5.0L 5.9L 6.6L V8 Engine GAS 1970-19779 5.0L/304 GAS 1971-19776 5.9L/360 .