The Edelbrock Performer RPM 2-O Q-jet #2561 marine intake manifold is designed for spread-bore carbs but also works with Edelbrock square-bore carbs without adapter on street 396-502 c.i.d. Chevy V8's with large oval-port (1975 and earlier) heads. The Edelbrock Performer RPM 2-O Q-Jet #2561 marine intake manifold is based off the Edelbrock #7164 BB Chevy oval port RPM manifold. All surfaces which come in contact with cooling water are lined with brass, not even salt water will damage them. No provisions for hot air style chokes. Accepts divorced choke, late-model waterneck, air-conditioning, alternator and HEI equipment. The Edelbrock Performer RPM 2-O Q-jet #2561 also features a natural aluminum finish for a classic look. For the ultimate "Made in USA" quality, every Edelbrock intake manifold is cast and machined in the USA.
Installation Notes:
• Will not fit under stock hood of Corvette, 1964-67 Chevelle, or 1967-81 Camaro.
• Recommended intake gasket: Edelbrock #7203
• Manifold height: A-4.45", B-6.0"
• Carb pad height: 5.22"
• Port exit dimensions: 1.60"w x 1.94"t
• 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.