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EDELBROCK PERFORMER RPM CYLINDER HEADS W/ 2.02" INTAKE VALVES FOR S/B FORD (COMPLETE, SINGLE) - 60259

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Part Number: 60259

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Description

EDELBROCK PERFORMER RPM CYLINDER HEADS W/ 2.02" INTAKE VALVES FOR S/B FORD (COMPLETE, SINGLE) - 60259

Performer RPM with 2.02" intake valves
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS

Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads deliver great throttle response and power from 1500 to 6500 rpm. These heads feature the highest quality intake and exhaust valves and valve springs.

Designed for non-emissions 289, 302, and 351-Windsor Ford engines
Maximum performance in the 1500-6500 rpm range for high performance street applications
1.90" intake valves are for use with stock pistons and high-flow 2.02" intake valves work with pistons notched for valve clearance
Will not accept rail rockers
289-302 V8's require head bolt bushing #9680 and either head bolt kit #8552 (7/16") or stock bolts

Cylinder Head Specifications:
Combustion chamber volume: 60cc
Intake runner volume: 170cc
Exhaust runner volume: 60cc
Intake valve diameter: 2.02"
Exhaust valve diameter: 1.60"
Valve stem diameter: 11/32"
Valve guides: Manganese bronze
Deck thickness: 5/8"
Valve spring diameter: 1.460"
Valve spring maximum lift: .575"
Rocker stud: 3/8"
Guideplate: Hardened steel
Pushrod diameter: 5/16"
Valve angle: 20 degrees
Exhaust port location: Stock
Spark plug fitment: 14mm x 3/4 reach, gasket seat

#60259: Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
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

INSTALLATION NOTE: 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 are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.

*Not legal for sale or use on pollution controlled motor vehicles.

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