Pay in 4 interest-free payments of $56.25 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Give your ATV the smooth
370" Exhaust A 0
Pair of Wossner 66mm big bore forged pistons
& 440cc Kits with high compression
Everything is new in the original packaging and the manufacturer's warranties apply*
YFZ450R YFZ 450X Big Bore Kit 480cc +3 Cylinder 98mm Piston Top End Rebuild Kit RZR Pro R Give your ATV the smoothBPRATV YFZ450R YFZ 450X Big Bore Kit 480cc Fits Yamaha YFZ450R & YFZ450X Fuel Injected Models ONLY Years 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 BPRATV 98mm big bore nikasil cylinder (1 year warranty)* Wiseco, CP Carrillo, or JE forged big bore piston kit Nitrite coated piston rings Chrome wrist pin Circlips Cometic Top End Gasket Kit Cometic big bore MLS head gasket BPRATV Talon Timing Chain Maxlock TITANIUM
US$ 973.14
US$ 1370.25
US$ 11100.00
US$ 112.57
US$ 193.05
US$ 53.19
US$ 30.43