SBC Performer RPM A/G Manifold - 262-400

The Edelbrock SBC Performer RPM Air Gap Manifold for 262–400 cubic inch engines is an essential upgrade for serious small-block builders. Designed specifically for Small Block Chevrolet (SBC) platforms, this manifold enhances intake performance for street engines, bracket racing platforms, and mild performance builds.

The RPM Air Gap design effectively addresses heat soak issues that can choke power in the critical transition zone between the carburetor and cylinder head. By creating a dead-air cavity beneath the manifold floor, it thermally isolates the incoming fuel charge from engine block heat, which helps maintain cylinder charge density and improves volumetric efficiency across the RPM band.

This manifold is particularly beneficial for those tuning street and bracket engines, as it provides measurable gains in performance. Its design accommodates popular carburetors and cylinder head combinations within the specified displacement range, ensuring compatibility and ease of installation.