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The Edelbrock RPM Air-Gap 2-R intake manifold for 396–502 ci Chevrolet V8s with rectangular-port heads separates runners from hot oil to maintain a cooler, denser air/fuel charge and deliver increased power. The dual-plane, high-rise design is tuned to extend useful power to 6,500 rpm while retaining good throttle response, and includes rear water outlets, distributor clamp locations and nitrous bosses for performance builds.
Edelbrock B/B Chev Rect Port RPM Air-Gap Manifold
