RK Excel America’s OEM Replacement, OE gearing chain and sprocket kits feature RK’s premium, lightweight RX or XW-ring sealed racing chain in a natural finish. The premium Driven C45 steel alloy black case hardened rear sprocket is paired with a Driven C45 steel case hardened and quenched front sprocket. RK’s OEM Replacement kits are designed as high-mileage performance kits. MSRP starting at $154.95
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