Cylinder Head Temperature sensor only, Patach Cable Sold Separately"
For 14mm Spark Plug size
Mychron Cylinder Head Temperature Sensor Fits Mychron 2, 3, 4, 5, 6 with use of proper patch cable
M3, M4, M5, M6
Mychron 3, Mychron 4, Mychron 5, Mychron 6 CHT Cylinder Head Temperature Sensor