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Gas/Limited Alcohol
Dexron(R) III H
494" Valve Guide Cutter from COMP Cams will allow the engine builder to machine the cylinder head to the proper size for your spring
GM F-Body 1981
11-7/8 in Long
COMP Cams 1.437 O.D. Spring Shims .645 I.D. .015 Thickness 10209CP Gas/Limited AlcoholEnsure the equal installed height of all of your valve springs with these 1. 437" outer diameter, . 015" thick, heat treated spring shims. Engine Valve Spring Shim Spring Shim, . 015 X 1. 437The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter
