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* Piston: 57mm * Piston Pin: 15mm * Piston Pin Length：42.5mm * Compression Height (center of piston pin hole to top of piston): 20mm #3,4,5,6 on Diagram - 57mm Piston Pin and Cir clips for the 150cc 4-stroke QMJ QMI/152 GY6 engines.
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🇺🇸 Ship from USA · On Agora since 2025
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