Detail

RPM Pontiac Cylinder Head 72 cc Hydraulic Flat Tappet Springs

The Edelbrock #60599 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. The Edelbrock #60599 Performer RPM heads with the 72cc combustion chamber are for higher compression engines. Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.

This engine part suits the Pontiac Various with a 403 engine.

Specifications

CNC Ported	No
Combustion Chamber Volume	72.0 cc
Deck Height	10.250 in
Deck Thickness	0.625 in
Exhaust Valve Diameter	1.660 in
Guide Plates Included	Yes
Intake Runner Volume	215.0 cc
Intake Valve Diameter	2.110 in
Material	Aluminum
Push Rod Diameter	0.312 in
Rocker Stud Diameter	0.437 in
Valve Angle	14 deg
Valve Spring Diameter	1.460 in
Valve Spring Maximum Lift	0.575 in
Valve Stem Diameter	0.341 in

Overview

Edelbrock packs 70 years of proven performance experience into every product it makes. From “Block Letter” Ford flathead cylinder heads to complete Pro-Flo EFI systems, all components are designed, manufactured, and performance tested in the USA on state-of-the-art equipment. Edelbrock crate engines and Power Package top end kits are a great way to add dyno-matched performance to your ride without any guesswork. Looking for individual components? Edelbrock has you covered with a huge selection of factory-calibrated carburetors, intake manifolds, superchargers, cylinder heads, nitrous, exhaust, and more, all built to deliver classic Edelbrock performance.

Suitable For

Pontiac
Various	389
Various	421
Various	428
Various	400
Various	455
Various	403