Edelbrock 7524 Dual-Quad Carbureted Intake Manifold for Chrysler Mopar Hemi Gen IIEdelbrock part #7524 Dual Quad HEMI intake manifold is intended for use with Mopar Gen II (1964 71) 426 572 HEMI engines operating in the 2,500 to 6,500+ range. This new intake manifold is a single plane Air Gap design with a dual square bore 4150 style carburetor pad. Carburetor spacing and height are the same as Mopar Performance dual quad #P5153737, making it a direct bolt on to all vehicles with a shaker hood. They also retain the same carburetor