Performer RPM are dual-plane, high-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 street or competition engines that run up to 6500 rpm. They are not for emissions equipped engines. Edelbrock's Performer RPM gives you the ultimate in street high-performance.

• Designed for 330-350-403 Oldsmobile and 1980-1/2 to 1985 307 c.i.d. engines with 5A heads (casting #3317).
• The Performer RPM Olds manifold is a high-rise, dual-plane design with 180° firing order engineered for maximum top-end horsepower while maintaining throttle response. Port flange has extra material above the runner for use with cast iron 455 heads and Edelbrock Performer RPM heads# ED60519.
• Has clearance for HEI distributor. Carb pad accepts square-bore carbs without adapters.
• Made in USA

Product Reviews for ED7111 - EDELBROCK