Edelbrock Performer RPM Cylinder Heads - Single - Complete (ED60229)

ED60229 - PERF.RPM CYLINDER HEADS,ASSEM.

Small Block Ford, 1.90" Intake valve, great torque and horsepower up to 6500 rpm

Part Number: ED60229

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 give great torque and horsepower up to 6500 rpm.

Designed for 289-302-351-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.
Hardened pushrods required.
Will not accept rail rockers.
289-302 V8s require Head Bolt Bushings # ED9680
Combustion chamber volume:
60cc
Intake runner volume:
170cc
Exhaust runner volume:
60cc
Intake valve diameter:
1.90"

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"
Guide plate:
Hardened 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