The Edelbrock Performer RPM High-Compression O-Port cylinder head for Big-Block Chevy engines provides a street-oriented power band from 1,500–6,500 rpm and is supplied complete with springs for hydraulic flat-tappet cams. Built for street and high-performance big blocks, it features quality intake and exhaust valves and valve springs and is recommended for pre‑pollution controlled vehicle use where dependable drivability is desired.
Edelbrock Cylinder Head BBC Performer RPM Oval Port 100cc Complete Single w/ Springs