Edelbrock part #7585 RPM Air-Gap Dual-Quad 351W intake manifold is designed for 351W small-block Fords. This intake offers performance improvements in the 1500-6500 rpm range. The large runners feature our unique Air-Gap design that separates the runners from the hot engine valley for a cooler, denser charge and more horsepower. Includes bosses for rear water crossover. Carb center to carb center is 6-7/16".
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Use 12-bolt intake gasket set Edelbrock #7220 recommended. For van installations use OEM Ford "van" intake gasket set; Manifold height: A-4.93", B-5.56"; Carb pad height: 4.32"; Carb recommendations: Edelbrock AVS2 Series #1903 and #1904, 500 cfm.; Port exit dimensions: 1.05" x 1.89"; Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant #1076, DO NOT USE END SEALS GASKETS.; Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.