The Edelbrock #60439 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60439 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.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
The Edelbrock #60439 Performer RPM High-Compression O-Port cylinder heads are designed for BB Chevy engines. The #60439 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed. |
| Description_MKT |
The Edelbrock #60439 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60439 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. |
| Description_LAB |
RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Flat Tappet Cam |
| Description_INV |
Edelbrock BBC Cylinder Head |
| Description_TRA |
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS |
| Description_TRA |
100cc semi-open chamber cylinder heads feature a 1-1/2 Deg rolled over (angle milled) design that improves intake port alignment and provides a smaller combustion chamber without shrouding the valves |
| Description_TRA |
9.2:1 compression with flat-top pistons for an outstanding high Performance's street head |
| Description_TRA |
Match with Edelbrock head gasket sets. |
| Description_TRA |
Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC). |
| Valve Angle |
26 |
| CNC Ported |
No |
| Retainer Included |
Yes |
| Series |
Performer RPM |
| Valve Spring Diameter |
1.50 |
| EGR Port |
No |
| Guide Plates Included |
Yes |
| Intake Valve Diameter |
2.19 |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Family |
Performer RPM |
| Material |
Aluminum |
| Quantity |
Sold Individually |
| Construction Type |
Complete |
| Valve Included |
Yes |
| Intake Runner Volume |
290 |
| Seat Material |
Ductile Iron |
| Valve Spring Maximum Lift |
0.700 |
| Exhaust Runner Volume |
110 |
| Valve Stem Diameter |
0.3438 |
| Combustion Chamber Volume |
100 |
| Grade Type |
Performance |
| Rocker Arm Stud Diameter |
0.4375 |
| Guide Plate Material |
Hardened Steel |
| Valve Springs Included |
Yes |
| Exhaust Port Location |
Standard |
| Guide Material |
Manganese Bronze |
| Horsepower |
500-600 |
| 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. |
| Exhaust Valve Diameter |
1.88 |
| Head Casting Number |
N/A |
| Push Rod Diameter |
(Suggested) 0.4375 |
| Camshaft Type |
Flat Tappet |
| Deck Thickness |
0.5625 |
| Length |
9.0000 |
| Width |
12.0000 |
| Height |
26.0000 |
| Weight |
44.0000 |
