Description
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.
Installation Instructions
Specifications:
| Cylinder Head Type | Standard |
| 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_DES | 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_FAB | Out-of-the-Box Bolt-On Performance |
| Description_FAB | Thicker Deck Surfaces Than Other Brands |
| Description_FAB | Valves Promote Excellent Flow For Streetable Power |
| Description_INV | Edelbrock Pontiac Cylinder Head |
| Description_KEY | Edelbrock; Pontiac Head; 72cc Bare; V8; Cylinder Heads; 60589; 389; 400; 455 |
| 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_SHO | { Sellable : Yes } |
| Description_SHP | { eo : 3in.} |
| 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 | Deck thickness: 5/8″ |
| Description_TRA | Edelbrock head bolt kit #8549 |
| Description_TRA | Pushrod diameter: 5/16″ (width of slot in guide plate). |
| Description_TRA | Rocker stud diameter: 7/16″ |
| Description_TRA | These heads require Ram Air IV (round port) style exhaust manifolds or headers |
| 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. • These heads require Ram Air IV (round port) style exhaust manifolds or headers • Edelbrock head bolt kit #8549 • Deck thickness: 5/8in. • Rocker stud diameter: 7/16in. • Pushrod diameter: 5/16in. (width of slot in guide plate). |
| Emission | Non-Emissions |
| Engine Make/Size | Pontiac 326-455 |
| finish | Cast Aluminum |
| height | 8.5 |
| length | 26.0 |
| LTL | N |
| Preparation | Requires Professional Preparation (Bare) |
| Type | Bare |
| Usage | Street/Performance |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | 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. |
| weight | 31.4 |
| width | 11.5 |
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