Brand new magneto stator Fit most 125cc and 150cc scooters, ATVs, and go karts with GY6 4-stroke QMI152/157 QMJ152/157 engines Stock stator for Yerf Dog SpiderBox 150cc GX150 go kart Plug Style: 4-pin, female (3 pins used) with two separate single pins Diameter: 88mm; Bolt Hole Spacing: 41mm