A7RTC Medium heat (7) plug Used on most 50cc scooters Save money The A7RTC spark plug is one of our best selling plugs, and it is used on many classic scooter engines such as the Baja Sun City 50, as well as many other Honda, KYMCO, and Baccio scooters, motorcycles, and motorbikes This is a direct replacement part for NGK’s A7RTC and CR7HSA spark plugs as well as Torch A7RTC spark plugsDescription The A7RTC spark plug is one of our best selling plugs, and it is used on many classic scooter engines such as the Baja Sun City 50, as well as many other Honda, KYMCO, and Baccio scooters, motorcycles, and motorbikes. This is a direct replacement part for NGK’s A7RTC and CR7HSA spark plugs as well as Torch A7RTC spark plugs.Sold without terminal nut.Our A7RTC is a compatible replacement for other spark plugs including:Autolite 4203Bosch UR3ASBrisk NAR14YCBrisk NAR14YSChampion 889Champion Z6Champion Z9YDenso IUF22Denso U22FSR-UNGK A7RTCNGK CR7HSATorch A7RTC ? WARNING Califo