SKU: SKU: EDE60589
The Edelbrock #60589 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 #60589 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 #60589 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.
| Family | Performer RPM |
| Construction Type | Bare |
| Retainer Included | No |
| Exhaust Port Location | Standard |
| Series | Performer RPM |
| Deck Thickness | 0.625 IN |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Horsepower | 450-550 HJ |
| Guide Material | Manganese Bronze |
| EGR Port | No |
| Seat Material | Ductile Iron |
| 8788 | No |
| 30 | No |
| 10024 | No |
| 8789 | No |
| 10025 | No |
| 10583 | No |
| 10261 | No |
| 10671 | No |
| 6626 | 72 CCM |
| 10 | Aluminum |
| 6627 | 215 CCM |
| 6635 | 31-6056 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 10.25 IN |
| 10582 | No |
| 306 | No |
| 9799 | No |
| Guide Plate Material | Hardened Steel |
| Quantity | Sold Individually |
| Valve Angle | 14 DD |
| CNC Ported | Yes |
| Exhaust Runner Volume | 175 CCM |
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.