Pin piston, Ø = 16 x 44mm -PIAGGIO- Vespa GTS 300 (ZAPM45200, ZAPM45202, ZAPMA3300), Vespa GTS HPE 300 (ZAPMA3600, ZAPMD310), Vespa GTS Super 300 (ZAPM45200, ZAPM45202, ZAPMA3300), Vespa GTS Super HPE 300 (ZAPMA360, ZAPMD3100), Vespa GTS Super Sport 300 (