Performer RPM manifolds are dual-plane high-rise intake manifolds with a 180+ firing order to produce incredible top end horsepower while retaining good throttle response. Their larger plenums and runners matchthe free-flowing exhaust and high lift c ams and other modifications of a high output engine. They are intended for high-performance street or competition engines that run up to 6500 RPM. Not intended for emissions controlled vehicles. A Performer RPM will give you the ultimate in street high-pe rformance.Designed for street 1967-85 350 and 403 Oldsmobile V8s. The Performer RPM Olds manifold is a high-rise dual plane design with 180 firing order engineered for maximum top-end horsepower while maintaining excellent throttle response.
