The Edelbrock Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications and tuned to deliver power and throttle response across 1,500–6,500 rpm for street performance and muscle cars. The high-compression 100cc O-port configuration pairs with quality intake and exhaust valves and valve springs. Intended for pre‑pollution controlled vehicles, it works well with multi-point EFI for maximum benefit.
Edelbrock Cylinder Head BBC Performer RPM Oval Port 100cc Complete Single w/ Springs