Top-end piston set ‘ suitable for KTM / GasGas / Husky TPI 300 A size is recommended for new cylinders B size is recommended for first and subsequent piston changes. Oem supplier vertex piston. All pistons are heat treated with a T-5 hardening and tempering cycle All piston heads are provided with a high-tech molybdenum disulfite coating in order to shorten the running-in period and extend the life of the pistons. Cast piston sets are Cast aluminum alloys (not forged) with 18% silicone, which result in an extremely light but very strong piston. Replica pistons and all rings are original spare parts
