The Edelbrock Performer RPM cylinder head for 1958–1965 Chevrolet "W" Series 348/409 big-blocks delivers strong throttle response and usable power from roughly 1,500–6,500 rpm for street performance, daily drivers and street rods. The complete head includes high-quality intake and exhaust valves and springs, providing immediate drivability gains and dependable hardware for pre-emissions engines.
Edelbrock Performer RPM 348/409 Chevy Cylinder Head (Complete)