Edelbrock® Performer RPM Cylinder Heads 60739




Edelbrock Performer RPM 55-86 with 70cc chamber, 2.02 intake & 1.60 exhaust valves, straight plugs. Sold Each.
Performer RPM with straight plugs (70cc combustion chamber) BARE-60639* COMPLETE-60739*

Features include high-quality stainless steel 2.02″ intake and 1.60″ exhaust valves, choice of 64cc or 70cc combustion chambers and high flow 185cc intake and 65cc exhaust ports. Intake and exhaust runners are hand blended in the bowl area and the intake entries and exhaust exits are cnc profiled for increased air-flow. These heads include adjustable rocker stud and guide plate set-up for use with adjustable rockers. The casting is manufactured of A356 aluminum and heat treated to T6 spec for superior quality. An extra-thick 5/8″ deck and Heli-coil threaded inserts offer improved durability. Performer RPM cylinder heads are available with straight or angled spark plug configuration to fit a variety of exhaust applications. Made in USA.

Technical Notes: Sold individually. Requires the use of hardened push rods. Bare heads will have valve guides and seats installed, but will require final sizing and valve job to match the valves you will be using. To use stock stamped steel rockers on small-block Chevy heads, +.100″ longer than stock Edelbrock pushrods #9629 or equivalent are required. Small-block Chevy heads may not be used on engines with less than a 4.00″ bore except with camshafts with less than .450″ valve lift.

Additional information

Weight 58 lbs


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