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Featuring a factory-balanced design and heavy-duty OEM construction
Restore proper cooling performance on your YFZ450R or YFZ450X with this complete
High quality aftermarket bearings
3YF-14613-01-00 4902M10200
91mm 11:1 stock bore pistons
Yamaha YFZ450 YFZ 450 Kibblewhite Viton Valve Stem Seals Seal Set of 5 Five KPMI RZR 900 Featuring a factory-balanced design and33M 12119 00 00, 4SV 12119 00 00,700 100014, 71014 5, 71014, Boost your Yamaha YFZ450R X's power with Kibblewhite RED Viton valve stem seals. Prevent oil burning & carbon buildup for peak engine performance. Set of 5. Made in USA. Yamaha YFZ450R YFZ450 YFZ450X Kibblewhite Viton RED Valve Stem Seals Set of 5 Five Revitalize Engine Performance: Prevent Oil Burning & Maximize Power! Is your engine experiencing oil burning, carbon buildup, or a loss of