Hoca Minarelli 53mm Piston Kit, Part #169-195

Hoca 53mm Piston Kit for 90cc 2-stroke 50QMF, E50QMF, 1E50QMF and 1PE50QMF Minarelli engines. Piston Diameter: 53mm. Piston Overall Height: 57mm. Piston Compression Height: 33mm. Wrist Pin Length: 40mm. Wrist Pin Diameter: 12mm. Includes piston pin rings and cir clips.