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Boundary billet sump rotor for 2009–2013 Chevrolet Corvette ZR1 LS9 engines replaces the factory oil pump rotor with a machined, high-quality gear sized for the LS9 sump. As a billet component it provides precise tooth profiles and improved wear resistance for sustained oil delivery under demanding use. Suitable for restorations or performance engines that rely on reliable pump rotor geometry.
Boundary 09-13 Chevrolet Corvette ZR1 LS9 Sump Rotor Billet Oil Pump Gear
