Mazda Miata Oil Pump Shim Kits 89-05 Miata Boundary Pumps

Miata pumps can now be shimmed in the comfort of your very own garage. This shim kit includes all 5 shims, and a brand new cotter pin.

  • Shims are precision cut to the bore size to prevent rocking during operation.
  • Shims have laser etched the oil pressure each shim will create.