Crane Cams Rocker Arm Bridge Shim Kit, .030/.060 in., Set of 32

Crane Cams Rocker Arm Bridge Shim Kit, .030/.060 in., Set of 32

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Crane Rocker Arm Bridge Shim Kits

99179-1

Crane’s Rocker Arm Bridge Shim Kit will correct for excessive hydraulic lifter preload on late model American Motors V-8’s, and I-6’s, and Oldsmobile V-8’s with the bridge mounted rocker arm assemblies. This kit will also work on the later model Pontiac 151 I-4’s with shoulder bolt mounted rocker arms. Two different thickness shims are included to decrease lifter preload by approximately .030”, .060” or .090” depending on the combination of shims being used between the bridge and the cylinder head. Excessive preload may be caused by a camshaft change, valve job, head resurfacing, etc. These shims can be a quick and easy alternative to resorting to different length pushrods