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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
91mm 11:1 stock bore pistons
Featuring a factory-balanced design and heavy-duty OEM construction
Restore proper cooling performance on your YFZ450R or YFZ450X with this complete
14721-MEB-802
High quality aftermarket bearings
Yamaha YFZ450 YFZ 450 Kibblewhite Viton Valve Stem Seals Seal Set of 5 Five KPMI RZR 900 91mm 11:1 stock bore pistons33M 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
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