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The Edelbrock Performer RPM cylinder head for 1965–1976 Oldsmobile 400, 425 and 455 big-block V8s is a performance-oriented aluminum replacement for hydraulic flat tappet cam applications. It features a redesigned 77cc combustion chamber, larger intake valves, refined bowl blending, and improved intake/exhaust ports. Cast and machined in the USA, it includes quality intake and exhaust valves and valve springs and better accommodation for a factory-style mechanical fuel pump.
Edelbrock Single Performer RPM Oldsmobile Big Block Cylinder Head (For Use w/ Flat Tappet Camshaft)
