Description
The Edelbrock #60759 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986.
This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. A Complete head includes larger-than-stock 1.46" valve springs to handle most high-lift cams. This head retains the stock intake port location for compatibility with standard manifolds and headers. Heat crossover is machined for 50-state emissions legal performance.
| Intake Valve Diameter | 2.02 in |
|---|---|
| Intake Runner Volume | 185 cc |
| Push Rod Diameter | (Suggested) 0.3125 in |
| Rocker Stud Diameter | 0.375 in |
| Valve Angle | 23 Degree |
| Valve Spring Diameter | 1.46 in |
| Valve Spring Maximum Lift | 0.575 in |
| Valve Stem Diameter | 0.3438 in |