Vehicle Fitment
Mazda
Oil Pump Shim Kit by 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. The individual shims come without accessories. Pumps can now be shimmed in the comfort of your very own garage. Shims are precision cut to the bore size to prevent rocking during operation. Shims have laser etched the oil pressure each shim will create.