SKU: SKU: EDE60559
The Edelbrock #60559 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60559 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 2500 to 7000 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60559 Performer RPM Rectangle Port cylinder heads are designed for BB Chevy engines. The Edelbrock #60559 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
| Valve Angle | 26 DD |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Exhaust Port Location | Standard |
| Series | Performer RPM |
| Valve Spring Diameter | 1.50 IN |
| EGR Port | No |
| Exhaust Runner Volume | 110 CCM |
| Family | Performer RPM |
| Seat Material | Ductile Iron |
| Construction Type | Complete |
| Push Rod Diameter | (Suggested) 0.4375 IN |
| Guide Material | Manganese Bronze |
| 30 | No |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 10 | Aluminum |
| 306 | Yes |
| 6627 | 315 CCM |
| 6635 | 31-6055 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 10.2 IN |
| 10582 | No |
| 6626 | 118 CCM |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
| Camshaft Type | Flat Tappet |
| Exhaust Valve Diameter | 1.88 IN |
| Deck Thickness | 0.5625 IN |
| CNC Ported | No |
| Intake Valve Diameter | 2.19 IN |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Valve Stem Diameter | 0.3438 IN |
| Valve Spring Maximum Lift | 0.700 IN |
| Horsepower | 525-650 HJ |
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.