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High-flow Stage 3 billet gear oil pump assembly for 1991–2005 Mazda Miata, supplied with back plate and two shims. The MartenWear billet gear design and high-flow designation make this a service or upgrade unit for Miata builds requiring improved oil circulation characteristics. Supplied components support correct installation and adjustment during engine rebuilds or performance refreshes.
Boundary 91-05 Mazda Miata MartenWear Billet Gear High Flow Stage 3 Oil Pump w/Back Plate & 2 Shims
