Amazon.com: 72mm 17mm Motorcycle Piston Ring Pin Set Kit Assembly Piston Set for 250cc CF Motor Engine ATV Pocket Bike Buggy HH-136 : Automotive
Wiseco 72mm Piston Kit 1mm over Kawasaki Triple 750 H2 Mach IV 1972-1975 | eBay
GN250 GN 250 motorcycle piston ring piston ring GN 250 piston diameter of 72mm piston pin for 18mm|cylinder light|cylinder aquariumcylinder truck - AliExpress
Parts Unlimited OEM-Type Piston Assembly - 72mm Bore - 09-813 Snowmobile | Dennis Kirk