Edelbrocks Performer RPM manifold is a dual-plane high-rise intake manifold with a 180° firing order to produce incredible top end horsepower while retaining good throttle response.The larger plenums and runners match free-flowing exha ust highlift cams and other modifications of a high output engine. It is intended for high-performance street or competition engines that run up to 6500 RPM.This dual plane manifold is designed for the street rod industrial and the engine sw ap market utilizing small block Chevys with 1996 and later Vortec (L31) cast iron or the new Edelbrock E-Tec aluminum heads.Made in USA An external water pump boss is machined into the front of the water crossover for use on 1996 and later production engines. This manifold has provisions for external water bypass H.E.
