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 plugs Description 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 4203 Bosch UR3AS Brisk NAR14YC Brisk NAR14YS Champion 889 Champion Z6 Champion Z9Y Denso IUF22 Denso U22FSR-U NGK A7RTC NGK CR7HSA Torch A7RTC WARNING California Residents : Proposition 65 Warning Specifications Name: A7RTC Thread: 10mm Reach: 1/2″ (12.7 mm) Heat: 7 (medium)