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deep inventory
14721-MEB-802
91mm 11:1 stock bore pistons
Restore proper cooling performance on your YFZ450R or YFZ450X with this complete
Featuring a factory-balanced design and heavy-duty OEM construction
Yamaha YFZ450 YFZ 450 Kibblewhite Viton Valve Stem Seals Seal Set of 5 Five KPMI RZR 900 deep inventory33M 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