NOTE: this harness set does not fit GY6 design engine type. Fits 50cc 70cc 90cc 110cc 125cc 4 stroke ATV, QUAD,Dirt Bike, Kawasaki KLX,Coolster,Go Kart, 4 wheelers,Scooter,buggy,Motowork. High quality complete electrics wiring harness wire Loom assembly come with 2 keys. 5 Wires Black Rectifier Voltage Regulator. Professional installation is highly recommended and false assembly may cause fire on the harness. Complete Electrics Start Engine CDI Ignition Coil Wiring Loom Harness Spark Plug Kits For 50cc 110cc 125cc ATV Buggy Quad Dirt Bike. NOTE: this harness set does not fit GY6 design engine type. Package include: 1x Wiring Loom Harness 1x Spark Plug 1x Coil with lead 1x Key switch 1x CDI 1x Rectifier 1x Solenoid 1x Ignition Switch