Edelbrock 60259 Performer RPM Cylinder Head

Performer RPM with 2.02" intake valves-Complete Assembly

Performer RPM Ford

Designed for non-emissions 289, 302, and 351-Windsor Ford engines
Maximum performance in the 1500-6500 rpm range for high performance street
1.90" intake valves are for use with stock pistons and high-flow 2.02" intake valves work with pistons notched for valve clearance

Cylinder Head Specifications

Combustion chamber volume	60cc
Intake runner volume	170cc
Exhaust runner volume	60cc
Intake valve diameter	1.90" & 2.02"
Exhaust valve diameter	1.60"
Valve stem diameter	11/32"
Valve guides	Manganese bronze
Deck thickness	5/8"
Valve spring diameter	1.46"
Valve spring maximum lift	.575"
Rocker stud	3/8"
Guideplate	Hardended steel
Pushrod diameter	5/16"
Valve angle	20°
Exhaust port location	Stock
Spark plug fitment	14mm x 3/4 reach, gasket seat
Made In	USA

Technical Notes: Hardened pushrods required, use Edelbrock #9632 (flat tappet only).Will not accept rail rockers. 289-302 V8s require Head Bolt Bushings #9680 and either Head Bolt Kit #8552 (7/16") or stock head bolts. Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing & a valve job to match the valves you will be using. Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC).

Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench

#60259
Valve Lift	.100"	.200"	.300"	.400"	.500"	.600"	.700"
Intake	70	128	183	219	251	255	246
Exhaust	57	104	142	163	170	174	175