This Piston&Ring STD NOS can use for Suzuki model below. RM250A 1976 246 RM250 OFF ROAD. That’s new old stock Suzuki Genuine parts Made in Japan P/N. My item’re in very good condition new & never use before. Good use Good quality from Japan. If you have Suzuki model I had listed please keep it in your collection to use when you need to repair your lover bike because hard to find now.