PISTON KIT NAMURA SUZUKI RM125 89-00 .5MM OVERSIZE 54.44MMPiston Kit Namura Suzuki RM125 89 00 . 5mm Oversize 54. 44mm Features: Machined smooth piston crown to reflect combustion heat while reducing carbon buildup Hard anodized piston crown with a hardness of HRB 105 MOS2 coating to draw heat through piston walls and out the bottom Minimized piston expansion and contraction Pistons are more resistant to wear and scuffing, expand less with heat and are stronger Higher Performance piston without a higher