RHS 12918-01B SBC Cylinder Head Valve Kit, Beehive Springs, Hyd Roller
Chevy Small Block V8, Damper Spring Included, 1.600" Exhaust Valve Diameter, Locks Included
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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 ˆ’ 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.
12918-01B Assembly Kit:
- Fits Small Block Chevy cylinder heads
- Includes premium COMP Cams components
- Contains enough parts to assemble ONE cylinder head
- 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 Machined Steel Race Locks 1 Groove, 7° Angle, 11/32" Stem Size (COMP Cams Part# 648-1)
- 8 Steel Retainers 7° (COMP Cams Part# 787-1)
- 8 Beehive Valve Springs 1.310" O.D. (COMP Cams Part# 26918-1)
- 8 Spring I.D. Locators .060" Thick, .570" I.D. 1.300" O.D.(COMP Cams Part# 4705-1)
- 8 Metal Body Viton Valve Seals .530" Guide, 11/32" Stem (COMP Cams Part# 529-1)
- 8 Magnum Rocker Studs 7/16" Diameter, 7/16" Base Thread size (COMP Cams Part# 4503-1)
- 4 Guide Plates for 5/16" sized pushrods (COMP Cams Part# 4808-1)
Q & A
What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!