Edelbrock Cylinder Head, 60499, Performer Big-Block Chevy Oval Port Hydraulic Flat Tappet Cam

The Edelbrock #60499 Performer Bare High Compression cylinder head is designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series cylinder head is 50-state street legal and provide outstanding performance from Idle-5,500 RPM's. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.

All Performer and Performer RPM Big-Block Chevrolet heads have spark plugs relocated closer to center of bore which will interfere with high-dome pistons for open chamber heads.

Use pistons designed for our heads

Deck thickness: 9/16", pushrod diameter: 7/16"

Replacement valve part numbers are for sets of 8

Deck thickness: 9/16", rocker stud diameter: 7/16", pushrod diameter: 3/8" (width of slot in guide-plate)