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The Boundary billet oil pump gear is specified for Honda H22 inline‑4 engines and features MartenWear surface treatment. Built as a direct replacement gear, the MartenWear treatment provides a hardened contact surface to resist wear in the oil pump gearset for H22 applications, intended for use during oil pump service or upgrades on supported Honda engines.
Boundary Honda H22 I4 MartenWear Treated Billet Oil Pump Gear
