

SKU: SKU: EDE60947
The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder head is designed for 1955-86 Small-Block Chevy applications. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock's manufacturing facility in the USA, the Edelbrock head is the best in quality and performance. All Edelbrock cylinder head is designed from scratch using the latest in computer technology by our own highly skilled engineer's. Using highly efficient ports and state-of-the-art combustion chamber shapes, Edelbrock cylinder head offers improved performance throughout the rpm range for great throttle response and top-end horsepower. Top-quality features include threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats. These are features that some other companies don't include!
The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder heads are designed for 1955-86 Small-Block Chevy applications. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm.
| Quantity | Sold Individually |
| Retainer Included | No |
| Family | Performer RPM |
| Construction Type | Bare |
| CNC Ported | No |
| Exhaust Port Location | Standard |
| Exhaust Runner Volume | 65 CCM |
| Series | Performer RPM |
| Guide Material | Manganese Bronze |
| Rotor Center Bore Inside Diameter | angled |
| EGR Port | No |
| Seat Material | Ductile Iron |
| Valve Angle | 23 DD |
| Seat Angle | Exhaust 45 deg/Intake 45 DD |
| Deck Thickness | 0.5625 IN |
| 8788 | No |
| 30 | No |
| 10024 | No |
| 8789 | No |
| 10025 | No |
| 10583 | No |
| 10261 | No |
| 10671 | No |
| 6626 | 64 CCM |
| 10 | Aluminum |
| 6627 | 185 CCM |
| 6635 | 6088P |
| 6634 | No |
| 3390 | Performance |
| 6621 | 9.025 IN |
| 10582 | No |
| 306 | No |
| 9799 | No |
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.
Free U.S. Standard Shipping on Orders $199+*
Fast Shipping on Thousands of In-Stock Parts
500K+ Performance Parts from 400+ Trusted Brands
