The Torch A7RTC spark plug 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 C7HSA spark plugs. Sold without terminal nut. Name: Torch A7RTC Thread: 10mm Reach: 1/2" (12.7 mm) Heat: 7 (medium) ![]() | |