The Edelbrock #60589 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60589 Performer RPM head with the 72cc combustion chamber are for higher compression engines. 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.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
The Edelbrock #60589 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. |
| Description_INV |
Edelbrock Pontiac Cylinder Head |
| Description_LAB |
RPM Pontiac Cylinder Head 72cc Bare |
| Description_MKT |
The Edelbrock #60589 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60589 Performer RPM head with the 72cc combustion chamber are for higher compression engines. 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. |
| Description_TRA |
Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. |
| Description_TRA |
These heads require Ram Air IV (round port) style exhaust manifolds or headers |
| Description_TRA |
Edelbrock head bolt kit #8549 |
| Description_TRA |
Deck thickness: 5/8" |
| Description_TRA |
Rocker stud diameter: 7/16" |
| Description_TRA |
Pushrod diameter: 5/16" (width of slot in guide plate). |
| Quantity |
Sold Individually |
| Guide Plates Included |
Yes |
| Intake Runner Volume |
215 |
| EGR Port |
No |
| Construction Type |
Bare |
| Valve Angle |
14 |
| Material |
Aluminum |
| Exhaust Port Location |
Standard |
| CNC Ported |
Yes |
| Retainer Included |
No |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Family |
Performer RPM |
| Guide Plate Material |
Hardened Steel |
| Grade Type |
Performance |
| Series |
Performer RPM |
| Valve Included |
No |
| Guide Material |
Manganese Bronze |
| Seat Material |
Ductile Iron |
| Deck Thickness |
0.625 |
| Exhaust Runner Volume |
175 |
| Head Casting Number |
N/A |
| Valve Springs Included |
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. |
| Horsepower |
450-550 |
| Combustion Chamber Volume |
72 |
| Length |
9.0000 |
| Width |
12.0000 |
| Height |
26.0000 |
| Weight |
31.0000 |
