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The Boundary MartenWear-treated billet high-flow oil pump gear fits Chevy LS1 4.8L, 5.3L, 5.7L and 6.0L engines as a direct-replacement internal gear. Machined from billet stock and finished with a MartenWear surface treatment, this gear is offered for use when a treated, precision-machined replacement is required during LS1 oil pump service or engine assembly.
Boundary Chevy LS1 4.8L/5.3L/5.7L/6.0L High Flow Martenwear Treated Billet Oil Pump Gear
