Edelbrock part #7501 RPM Air-Gap #7501 intake manifold is designed for 1955-86 262-400 c.i.d. Chevrolet V8 applications. The award-winning RPM Air-Gap intake manifold incorporates the same race-winning technology that's used on our Victor Series competition intakes. 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.
Intake Section Included: Complete
Engine Block Deck Height: Standard deck
Carburetor Quantity: One
Intake Style: Dual plane
Basic Operating RPM Range: 1,500-6,500
Intake Manifold Height: 4.720 in.
Intake Finish: Natural
Intake Material: Aluminum
Quantity: Sold individually.
Notes: Manifold ht: A-4.20", B-5.25" (.70" taller than #2101); Carb pad height: 4.27"; Carb recommendations: Edelbrock AVS2 or Performer Series 650-800 cfm. Use bracket #8031 or #8036 for 1972-78.; Port exit dimensions: 1.14" x 1.95"; Recommended intake gasket: Edelbrock #7201.; Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant #1076, DO NOT USE END SEALS GASKETS.; Sealant must be used on intake bolt threads if the threads extend into lifter valley or coolant passage.; NPT/Pipe thread fittings require the use of Teflon tape or paste on threads to ensure proper seal.; DO NOT OVERTIGHTEN NPT/Pipe fittings, this may cause the aluminum to crack around the fitting boss. NPT/Pipe thread is a tapered thread.; Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.; Will not fit under stock Corvette hood.; Proper installation is the responsibility of the installer. Improper installation will void your warranty and may result in poor performance and engine or vehicle damage