TBparts piston and gasket kit. This kit is for the K0 or 1969 -1981 CT70 and all years TRX70, ATC70, & SL/XL70. OEM Quality & Complete. This kit comes with apiston, wrist pin, rings, circlips, all necessary top end gaskets, and the bottom end clutch and center case gaskets. This kit provides a huge savings over the OEM parts.