4 Wire Ignition Key Switch for 50cc 70cc 90cc 110cc 125cc 250cc ATV Quad Pit Dirt Bike Go Kart It could fit many go karts, ATVs, and dirt bikes on the market. 4 wires with female plug, ON-OFF 2 positions Key cylinder diameter is 24mm (0.95"), fits a 1" opening. The wire is about 300mm (11.8") long 2 keys are included