Edelbrock B/B Chevy O-Port RPM Air-Gap Manifold

Edelbrock is well-known for performance parts that help you get the most out of your engine. This RPM Air-Gap intake manifold is a prime example, built on race-winning technology used in their Victor Series competition intakes. It's designed specifically for street 396-502 cubic inch Chevy Big-Block V8s that use large oval-port cylinder heads, including those from 1975 and earlier or Edelbrock's own Performer and Performer RPM heads.

What sets this manifold apart is its Air-Gap design. It creates an open air space that physically separates the intake runners from the hot engine oil. This separation keeps the incoming air charge cooler and denser, which directly translates to more power. This manifold also includes rear water outlets, dual distributor clamp locations, and bosses for nitrous systems. It's set up to accept late-model alternator and A/C brackets for street applications and is intended for square bore carburetors only. Keep in mind that it will not fit under the stock hood of a Corvette, 1964-67 Chevelle, or 1967-81 Camaro, and it doesn't have provisions for exhaust-heated chokes or exhaust crossovers.

This manifold fits a wide range of Chevrolet vehicles, including models like the Impala, Chevelle, and C10 Pickup from various years. It's a solid option if you're looking to improve your Big-Block's performance and are using compatible cylinder heads and a square bore carburetor.