Designed especially for deep spark plug ports with long and narrow threads, such as those found in many modern gasoline engines.
Includes M12 and M14 spark plug adapters. M12 spark plugs are commonly used in the following models: Alfa Romeo, Audi, BMW, Citroen, Dacia, Fiat, Ford, Hyundai, Jaguar, Kia, Land Rover, Mercedes, Mini, Nissan, Peugeot, Renault, Seat, Skoda, Smart, Toyota and VW. Secure fit: the quick-release connector ensures that the adapters cannot be accidentally left in the spark plug port.
The specially designed self-centering adapters ensure minimal risk of thread damage when attempting to screw the compression adapter into the spark plug port. Gauge scale: 0–20 bar, 0–290 psi.