YFZ450R YFZ 450R 98mm Wiseco Piston +3 Big Bore Head Gasket Top End Rebuild Kit

247957, 284685, 8784DA, 22984B, 325025, 3858XS, M1110-BP, M1146,, 13029M09800, M1009, M1085, 222086, 325024, 4865M09500, 4929M09500, 09800, M1009, M1085, 222086, 325024, 4865M09500, 4929M09500, 2217, 221796, M1000, M1002, M1100, M1145, RE819M09500, 4835M09500, Ring Set #3858XS, Wrist Pin #S641, CirClip #CW20,20001, 4786M09500, 4785M09500, M1011, C3066, C3066-EST, 5TJ-11631-00-00, 20001 4786M09500, 4785M09500, M1011, C3066, C3066-EST, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 8630DA, 8562DA, M1010,4865M09500,4835M09500,C7908,C3178,5TG-11631-12-00, M1000, C7908, H2477027S, 2S2-11181-00-00 2S2-11181-00--00 2S2-11351-00-00 3VD-14613-0100, 99999-03528-00, 5TG-11631-12-00, 2S2-11181-00-00, 2S2-11351-00-00, 3VD-14613-01-00, 99999-03528-00, 5TG-11631-12-00, M1000, C7908, H2477027S, 2S2-11181-00-00, M1000, 4865M09500, M1100, 247956, 8784DA, 4835M09500

98mm Big Bore Bore 12.75:1 Wiseco Piston Kit & Cometic Top End Gasket Kit

Yamaha YFZ450R & YFZ450X Fuel Injected Models ONLY

Years 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Kit Includes:

BPRATV Custom Wiseco 98mm Forged Piston Kit (Includes Piston, Rings, Pin, & Clips)

Cometic Top End Gasket Kit (With MLS Head Gasket)

Piston uses pump or race gas.  All parts are new in the original packaging.

All Parts Made in USA

1 year warranty on complete kit for your piece of mind*