GOOFIT C7HSA Spark Plug for 50cc 70cc 90cc 110cc 125cc 150cc ATV Dirt Bike Go Kart Moped Scooter 1:SIZE: Thread diameter:10mm / M10 ;Thread length:12.7mm;Product packaging: 1 X spark plug ;1 X beautiful keychain The item fits for 50cc-150cc ATV Dirt Bike Go Kart Moped Scooter Potential boosting power(depending on engine class) Improve fuel efficiency (depending on engine class) Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon) Arrival within 7-15 days (Ships from and sold by GOOFIT)