The Edelbrock #60547 Performer RPM Bare NHRA Stock/Super Stock Rectangle Port cylinder heads are designed for Big-Block Chevy applications. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm.
The Edelbrock #60547 Performer RPM Bare NHRA Stock/Super Stock Rectangle Port cylinder head is designed for Big-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!
Application Summary:
| Year |
Make/Model |
| Chevrolet:Big-Block |
Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L) |
| Attributes |
| Assembled |
No |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| CNC Ported |
No, No |
| Combustion Chamber Volume |
118, 118, 118, 118 |
| Construction Type |
Bare, Bare, Bare, Bare |
| Country of Origin (Primary) |
US |
| Cylinder Head Type |
Rectangular Port |
| Deck Height |
9.8 |
| Deck Thickness |
0.5625, 0.5625 |
| EGR Port |
No, No |
| Emission |
Non-Emissions |
| Emission Code |
Not in CA |
| Engine Make/Size |
Chevy Big Block (396-502) |
| Exhaust Port Location |
Standard, Standard, Standard |
| Exhaust Runner Volume |
110, 110, 110, 110 |
| Family |
Performer RPM, Performer RPM, Performer RPM, Performer RPM |
| Finish |
Satin |
| Flange Type |
Rectangle Intake, Rectangle Intake |
| Grade Type |
Performance, Performance |
| Guide Material |
Manganese Bronze, Manganese Bronze |
| Guide Plates Included |
No, No |
| Harmonized Tariff Code (Schedule B) |
8708998175 |
| Hazardous Material Code |
N |
| Head Casting Number |
N/A, 31-6055 |
| Intake Runner Volume |
315, 315, 315, 315 |
| Life Cycle Status Code |
Available to Order |
| Material |
Aluminum, Aluminum |
| Mounting Hardware Included |
No |
| NAFTA Preference Criterion Code |
B |
| Potential Risk Chemical |
Lead |
| Preparation |
Requires Professional Preparation (Bare) |
| Quantity |
Sold Individually, Sold Individually, Sold Individually, Sold Individually |
| Retainer Included |
No, No, No, No |
| RGL |
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., 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., 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. |
| SDR Required Flag |
N |
| SDS Sheet Number |
NA |
| Seat Angle |
Exhaust 45 deg/Intake 45, Exhaust 45 deg/Intake 45 |
| Seat Material |
Ductile Iron, Ductile Iron, Ductile Iron, Ductile Iron |
| Series |
Performer RPM, Performer RPM, Performer RPM, Performer RPM |
| Type |
Bare |
| Usage |
Racing |
| Valve Angle |
26, 26, 26, 26 |
| Valve Included |
No, No, No |
| Valve Seals Included |
No |
| Valve Springs Included |
No, No |
| Warranty Time |
12 |
| GTIN |
00085347605477 |
