SKU: SKU: EDE60599
The Edelbrock #60599 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60599 Performer RPM head with the 72cc combustion chamber are for higher compression engines. 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.
The Edelbrock #60599 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head.
| Guide Material | Manganese Bronze |
| Family | Performer RPM |
| Construction Type | Complete |
| CNC Ported | No |
| Exhaust Runner Volume | 175 CCM |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Valve Stem Diameter | 0.3438 IN |
| Exhaust Valve Diameter | 1.66 IN |
| Intake Valve Diameter | 2.11 IN |
| EGR Port | No |
| 30 | No |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 10 | Aluminum |
| 306 | Yes |
| 6627 | 215 CCM |
| 6635 | 31-6056 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 10.25 IN |
| 10582 | No |
| 6626 | 72 CCM |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Valve Spring Diameter | 1.46 IN |
| Valve Spring Maximum Lift | 0.575 IN |
| Exhaust Port Location | Standard |
| Series | Performer RPM |
| Camshaft Type | Flat Tappet |
| Horsepower | 450-550 HJ |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Valve Angle | 14 DD |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Seat Material | Ductile Iron |
| Deck Thickness | 0.625 IN |
California Prop 65 Warning: WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.