Other products by RHS
Item #: 12972-01
Reg. Price: USD $170.41
Our Price: USD $136.32


When it comes to street performance and/or competitive racing, the horsepower capability of cylinder heads can be limited if not used with the right parts. Cylinder head studs and components can mean the difference between high performance durability and stress-related component failures. RHS® tests all of its cylinder heads with premium COMP Cams® components − giving you the optimal airflow combination for maximum engine performance. These exclusive RHS® part kits give you the ideal combination of components for your cylinder head assembly and are proven to offer superior performance for your specific engine application.

12972-01 Assembly Kit:

Fits Small Block Chevy cylinder heads
Includes premium COMP Cams® components
Contains enough parts to assemble ONE cylinder head
12972-01 Includes:

4 Sportsman Stainless Steel Intake Valves 2.020" 11/32, + .100" Long (COMP Cams® Part# 6001-1)
4 Sportsman Stainless Steel Exhaust Valves 1.600" 11/32, + .100" Long (COMP Cams® Part# 6002-1)
8 Steel Street Locks 7° Angle, 11/32" Stem (COMP Cams® Part# 601-1)
8 Steel Retainers 7° (COMP Cams® Part# 743-1)
8 Single Valve Springs 1.430" O.D. .697 I.D (COMP Cams® Part# 972-1)
8 Spring I.D. Locator: .060" Thick, .570" I.D., 1.510" O.D. (COMP Cams® Part# 4696-1)
8 Metal Body Viton Valve Seals .530" Guide, 11/32" Stem (COMP Cams® Part# 529-1)
8 Magnum Rocker Studs 3/8" Diameter, 7/16" Base Thread size (COMP Cams® Part# 4502-1)
4 Guide Plates for 5/16" sized pushrods (COMP Cams® Part# 4808-1)


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