Edelbrock part #7166 Performer RPM 460 intake manifold is designed for high-performance's street 429/460 Ford V8's 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 carburetors. Will not fit 1988 and later models. Note: Early Cobra-Jets came with Quadrajets.