Edelbrock Cylinder Head, 60595, Performer RPM Pontiac 72cc Hydraulic Roller Camshaft

The Edelbrock #60595 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 #60595 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.

PERFORMER & PERFORMER RPM

Outstanding performance gains in Pontiac 1962-79 389-455 c.i.

Utilize the same port flange configuration as 1969-1970 Ram-Air IV Pontiac cylinder head

Performer heads #60579/#60575 are 50-state emissions legal for 1965-79 vehicles

Performer heads feature 87 cc combustion chambers for use with low-octane fuel & 9.5:1 compression ratio

Performer RPM heads with 72 cc combustion chambers for higher compression engines

Bare heads have valve guides & seats installed but require final sizing & a valve job to match the valves you purchase

These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit #85492

Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 5/16" (width of slot in guide-plate)