Edelbrock Part # 75854 RPM Air-Gap Dual-Quad 351W intake manifold is designed for 351W small-block Ford V8 applications. 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". This manifold offers our long lasting bright chrome like EnduraShine finish that matches chrome and polished accessories.
Center Maximum Height 5.370 in
CNC Ported No
Front Maximum Height 4.930 in
Rear Maximum Height 5.560 in
Single Or Dual Plane Type Dual Plane
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"
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.