The Wiseco 642M06700 Piston Kit is specifically designed for Suzuki RM250 models from 1989 to 1995, with a standard bore size of 67.00mm. Made from high-quality forged aluminum alloy, this piston kit includes a wrist pin, piston, ring set, and circlips. Manufactured in the United States, this product carries a California Prop 65 Warning due to potential health risks associated with its materials. Upgrade your Suzuki RM250 with this reliable and durable piston kit from Wiseco.