The NGK iridium spark plug has the following features:
- Thread: M12 x 1.25
- Thread length: 26.5 mm
- Hexagon: 14 mm
- Central electrode: 0.6 mm fine wire iridium
- Ground electrode: platinum
- Seat: with gasket
- Solid terminal
- Anti-interference resistor: 5 kΩ
- Heat rating: 7
- Electrode gap: 1.1 mm
Compatible with motorcycles, cars, boats, and small engines.