Edelbrock Part # 75811 RPM Air-Gap 351W intake manifold is designed for street and high performance 351-427 c.i.d. 351W Ford V8's. This RPM Air-Gap incorporates the same race-winning design that’s been used on our Victor Series competition intakes for decades. The Air-Gap design features an open air space that separates the runners from the hot engine oil resulting in a cooler, denser charge for more power. Larger cross sectional area and a taller carb flange than #7181 for compatibility with large displacement, stroker 351W based engines. Includes bosses for nitrous and rear water crossover. Edelbrock carbs will work with Ford automatic overdrive trans (AOD) when used with Lokar bracket SRK-4000. This manifold offers a polished finish for a brilliant shine and classic look.
Center Maximum Height 4.800 in
CNC Ported No
Front Maximum Height 4.300 in
Rear Maximum Height 5.300 in
Single Or Dual Plane Type Dual Plane
Use 12-bolt intake gasket set Edelbrock #7220 recommended
Manifold height: A-5.31", B-6.19"
Carb pad height: 5.75"
Port exit dimensions: 1.07" x 1.88"
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.