Used as a high value bullet proof pump that replaces the stock pump on the 1991.5-2000 Miata.

This oil pump replaces and upgrades the oil pump on 1991.5-2005 Mazda Miatas.

Boundary Engineering created this race variant of the oil pump to deal with heavy flow demands of large clearances, extreme RPM, and extreme forced induction applications. For the ultimate in oiling needs, look no further!

Shelf pistons come with all these options as standard: deeper valve reliefs for high lift camshafts, larger valve reliefs for 1mm........

Going to an autocross, and realize you need the low end grunt? Dial it in and run.

This is a qaulity 3 layer steal head gasket. The center layer is variable, and selectable below for various compression ratios. For 1.6L only.

Race Master, and the Pro Flo versions identified as Race Flo valves, are manufactured of XH-426 material for the exhausts and NK-842 for the intakes.