SKU: SKU: EDE60555
The Edelbrock #60555 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60555 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 #60555 Performer RPM Rectangle Port cylinder heads are designed for Big-Block Chevy applications. The #60555 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where.
| Valve Stem Diameter | 0.3438 IN |
| Valve Angle | 26 DD |
| EGR Port | No |
| Exhaust Runner Volume | 110 CCM |
| Family | Performer RPM |
| Seat Material | Ductile Iron |
| Construction Type | Complete |
| Guide Material | Manganese Bronze |
| Horsepower | 525-650 HJ |
| Intake Valve Diameter | 2.19 IN |
| Valve Spring Diameter | 1.55 IN |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| 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 | 9.8 IN |
| 10582 | No |
| 6626 | 118 CCM |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
| Camshaft Type | Hydraulic Roller |
| Deck Thickness | 0.5625 IN |
| Exhaust Valve Diameter | 1.88 IN |
| CNC Ported | No |
| Rocker Arm Stud Diameter | 0.4375 IN |
| Exhaust Port Location | Standard |
| Series | Performer RPM |
| Push Rod Diameter | (Suggested) 0.4375 IN |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Valve Spring Maximum Lift | 0.700 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.