Pay in 4 interest-free payments of $100.00 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
For any warranty to be considered the par(s) in question must be sent to us first for inspection
Designed for OEM bore engines
making it the perfect upgrade
Make sure to insist on the RED ones
Upgrade your CRF450R with race-proven power — order your 100mm Big Bore Kit today
86-89 Honda TRX250R Rebuild Kit Complete Bottom Motor Engine Repair Redo Kit XR650L For any warranty to beWiseco or Wossner forged 66mm stock bore piston Nitrite coated piston rings Chrome wristpin Circlips Hotrods HD replacement crankshaft with rod assembled Crank bearings Transmission bearings Crank balancer bearings Clutch arm needle bearings Water pump bearing Wristpin bearing Complete gasket kit Seal kit Water pump mechanical seal HD clutch kit Talon TITANIUM cylinder head stud kit LIFETIME WARRANTY* Runs on pump or race gas Drop in kit, no mods