Temperature sensors for air-cooled engines. With this you can reduce the temperature of air-cooled engines (e.g. for Stage6 or Koso instruments). The ring is simply screwed under the spark plug. Including 5 spare rings.
Fits for example NGK spark plugs with the designation "B" (spark plug thread 14mm). internal resistance: 12kOhm
Fits for example NGK spark plugs with the designation "B" (spark plug thread 14mm).
