Piston Kit Namura Honda XR70R CRF70F 97-12 2mm OversizeFeatures:Machined smooth piston crown to reflect combustion heat while reducing carbon buildupHard anodized piston crown with a hardness of HRB 105MOS2 coating to draw heat through piston walls and out the bottomMinimized piston expansion and contractionPistons are more resistant to wear and scuffing, expand less with heat and are strongerHigher Performance piston without a higher priceCarefully developed for the highest level of qualityUnsurpassed in functionality and reliabilityReady to serve reliably for years to comeIncludes:PistonsRingsCirclipsHondaCRF70F 2004-2012XR70 1997-2003