Original Size: 39MM/50CC
Big Bore Size: 47MM/80CC 51MM
Description: FOR KYMCO GY6 50CC CYLINDER AND OVERSIZE FOR RACING KIT
Fitment List: FITS:LIFAN ENGINE 1P139 QMB
BAOTIAN: BT49QT-2, BT49QT-7, BT50QT-9, BT50QT-11, EcoBike
KYMCO: AGILITY 50, MMC 50, FILLY 50, VITALITY 50 4T, NEXXON 50, PEOPLE 4T, SUPER 8, YAGER GT
LIFAN: LF50QT-7, LF50QT4, LF50QT2, LF50QT15, LF50QT9F
PEUGEOT: V-CLICK
ZONGSHEN: WIND 25/50,ZS50QT-4 50
KYMCO GY6-125 Racing CYLINDER HEAD