Comp Cams .030 X 1.640 Spring Shim Dirt King Operating Temperature -4 to 113

Operating Temperature -4 to 113 F

Not compatible with X2 Slim

The Walkabout series has been refined over time to address unseen issues

Made from USA-sourced materials

Custom 1976 - 1979 Buick Electra 225 1980 Buick Electra Estate Wagon 1976 - 1980 Buick Electra Limited 1978 - 1980 Buick Electra Park Avenue 1970 - 1980 Buick Estate Wagon Base 1970 - 1972 Buick GS Base 1968 - 1969 Buick GS 350 Base 1968 - 1980 Buick LeSabre Base 1968 - 1978 Buick LeSabre Custom 1977 Buick LeSabre Custom Sport 1979 - 1980 Buick LeSabre Limited 1974 Buick LeSabre Luxus 1978 - 1980 Buick LeSabre Sport 1973 - 1977 Buick Regal Base 1976 - 1977 Buick Regal SR 1977 - 1978 Buick Riviera Base 1978 Buick Riviera LXXV Anniversary Edition 1970 - 1972 Buick Skylark 350 1968 - 1976 Buick Skylark Base 1968 - 1972 Buick Skylark Custom 1976 Buick Skylark S 1975 - 1976 Buick Skylark SR 1968 - 1969 Buick Special Base 1968 - 1972 Buick Sportwagon Base 1968 - 1969 Buick Sportwagon Custom 1978 - 1980 Pontiac Bonneville Brougham

Comp Cams .030 X 1.640 Spring Shim Dirt King Operating Temperature -4 to 113Spring Shims: . 030" Thickness, 1. 640" O. D., . 635" I. D. These . 030" thick Valve Spring Shims with 1. 640" outside diameter and . 635" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat treated to stand up to radical cam lobes. Kits are also available.