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Chain and Sprocket Kit - OEM Replacement - Natural - Yamaha YZF-R1 '09-'14
Kit includes a premium Driven? C45 steel alloy black case-hardened rear sprocket paired with Driven? C45 steel case hardened and quenched front sprocket, Kit contains OE Gearing, RK*s OEM Replacement kit is designed as high-mileage performance kit