Edelbrock Small Block Chevy pre-1985 Performer Manifold 

Small Block Chevy pre-1985 Performer

RPM Performer RPM's are dual-plane, low-rise intakes with 180° firing order to produce incredible top-end horsepower while retaining good throttle response. Their larger plenums and runners match the free-flowing exhaust, high-lift cams and other modifications of a high output engine. They are intended for high-performance or competition engines that run up to 6500 rpm.