Description
The Edelbrock #60439 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications with flat tappet lifters.
The Edelbrock #60439 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
| Intake Valve Diameter | 2.19 in |
|---|---|
| Intake Runner Volume | 290 cc |
| Push Rod Diameter | (Suggested) 0.4375 in |
| Rocker Stud Diameter | 0.4375 in |
| Valve Angle | 26 Degree |
| Valve Spring Diameter | 1.50 in |
| Valve Spring Maximum Lift | 0.700 in |
| Valve Stem Diameter | 0.3438 in |