Competition Cams 475116 Spring Shim 024185932673 Dual safety chair locks to

Dual safety chair locks to prevent inadvertant closing

Three layer foam pad with moisture barrier

Brand MAHLE Original Model B45859

May be used to convert one-piece rear main seal on 1986 and newer SB Chevy blocks to the old style

Their design and superior materials provide a significant increase in operational reliability under heavy loads and misaligned conditions

Competition Cams 475116 Spring Shim 024185932673 Dual safety chair locks toBrand Comp Cams Model 4751 16 Size n a Designed to equalize the installed height of the valve spring Made from high quality shim stock Provides long lasting durability Heat treated Features high rpm Competition Cams Spring Shims are designed to equalize the installed height of the valve spring. These shims are made from high quality shim stock which provides long lasting durability. They are heat treated and capable of withstanding high rpm.