Moroso Distributor Shims
Allows the precise adjustment of distributor shaft end play to improve timing accuracy & reduce gear wear. Works with Moroso, GM, Accel, Chrysler, and other distributors with 1/2" diameter shaft. Includes five steel shims: two .010", two .020", and one .053".
Distributor Housing Shim Kit
Eliminates oil pump bind and spark scatter when using a distributor in an engine with resurfaced heads or deck. Fits 90° V6 and small and big block Chevy engines. Made from high-impact plastic to exact GM specs. Includes three shims: .030", .060", and .100".