Shim Kit for Chevy Distributor

Shims fit between the intake manifold and your distributor allowing you to properly set gear mesh. Made from leak-free, high impact nylon. For Chevy distributors. 3 shims per kit. Eliminates oil pump bind and spark scatter. Prevents wiping out your distributor gear. Includes 3 different thickness; .03", .06", and .10"Includes three different thickness: .03", .06", and .10"