Description Piston ring grinder tool from JHC. This tool os well used for 60cc – 125cc and 175cc piston rings with the help of the 3 milling positions. Side 1: Milling Ø42 mm : 60cc Piston ring. Milling Ø64 mm : x30 Super shifter 175cc Piston ring. Side 2: Milling Ø54 mm : 125 cc Piston ring. The grinder measures 108 x 107 mm and mounted with 4 x rubber pieces on the bottom.
