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JEGS Water Pump Pulley Shim Kit
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These machined aluminum water pump pulley shims allow for proper belt alignment, which is crucial to belt retention and high-RPM use. They fit Chevy V8, Ford V8, and small block Chrysler with 5/8" or 3/4" shaft diameters and install between the pulley and water pump flange. One 1/8" and two 1/16" shims included.