Description
COMP Cams 1.500" O.D. Spring Shim Kit H770001M 1960 1963 GMC 1500 Series WEI7155 1960 1963 GMC 1500 Series Installation Usually Takes Less Than An Hour COMP Cams spends thousands of hours working with race teams to make sure COMP Cams products provide unmatched performance and reliability 015" thick shims