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Boundary MartenWear-treated billet oil pump gear for Nissan RB26 engines is made to fit OEM housings with an 81mm bore, providing treated surfaces for enhanced wear resistance. The treated billet rotor preserves correct geometry and fit while offering improved longevity over stock components, making it a good choice for RB26 rebuilds or refreshed oil pump systems that need durable, drop-in replacement parts.
Boundary Nissan RB26 MartenWear Treated Billet Oil Pump Gear (Fits OEM Housing 81mm)
