

SKU: SKU: EDE60999
The Edelbrock #60999 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. The Edelbrock #60999 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. For use on pre-pollution controlled vehicles only.
The Edelbrock #60999 Performer RPM cylinder heads are designed for 1955-86 SB Chevy applications. The Edelbrock #60999 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
| Rotor Center Bore Inside Diameter | angled |
| Exhaust Runner Volume | 65 CCM |
| Exhaust Valve Diameter | 1.60 IN |
| EGR Port | No |
| Quantity | Sold Individually |
| Retainer Included | Yes |
| Intake Valve Diameter | 2.02 IN |
| Valve Angle | 23 DD |
| Deck Thickness | 0.5625 IN |
| CNC Ported | No |
| Valve Stem Diameter | 0.3438 IN |
| Push Rod Diameter | (Suggested) 0.3125 IN |
| Rocker Arm Stud Diameter | 0.375 IN |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Family | Performer RPM |
| Seat Material | Ductile Iron |
| Construction Type | Complete |
| Guide Material | Manganese Bronze |
| Valve Spring Diameter | 1.46 IN |
| Exhaust Port Location | Standard |
| Series | Performer RPM |
| Camshaft Type | Flat Tappet |
| Horsepower | 350-450 HJ |
| Valve Spring Maximum Lift | 0.575 IN |
| 8788 | Yes |
| 10024 | Yes |
| 8789 | Yes |
| 10025 | Yes |
| 10252 | Chromoly Steel |
| 10583 | No |
| 10261 | No |
| 10671 | Yes |
| 30 | No |
| 10 | Aluminum |
| 6627 | 195 CCM |
| 6635 | 31-6088 |
| 6634 | Yes |
| 6636 | Chromoly Steel |
| 3390 | Performance |
| 6621 | 9.025 IN |
| 10582 | No |
| 6626 | 64 CCM |
| 306 | Yes |
| 9799 | Yes |
| Valve Lock Material | Steel |
| Guide Plate Material | Hardened Steel |
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.
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