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 high-performance street 429-460 Ford with standard or Cobra-Jet cylinder heads.
• Latest technology in dual-plane design results in excellent low- and mid-range torque and outstanding horsepower on appropriately equipped engines.
• Will accept square-bore or spread-bore carburettors
• Will not fit 1988 and later models.
• Note: Early Cobra-Jets came with Quadrajets.
• Made in A