FLMLF 23CC Double Ring Piston Kit 32mm For 23CC Zenoah CY For 1/5 HPI BAJA 5B FG LOSI 5IVE T Goped RC CAR PARTS One piston, two piston ring, two piston e cards, one piston pin.Please note the size before purchase to avoid incompatibility due to size and save your time.The piston moves back and forth in the cylinder at high speed, and the contact surface with the cylinder wall and piston ring will be abraded, so we use metal as the raw material, which has good abrasion resistance.The double-ringed piston has a very precise fit to the cylinder wall, which helps to minimize piston wobble in the cylinder, thereby reducing friction and wear and improving engine durability.Suitable for 23CC Zenoah CY For 1/5 HPI BAJA 5B FG LOSI 5IVE T Goped RC CAR PARTS.We have a professional after-sales team, if you have any questions, please contact us in time, we will solve your problems within 24 hours