PSIplug, Model SSP-MODx

PSIplug: user selected production spark plug modified to accept a detachable M3.5 or M4.5 sensor Sensor is positioned vertically in the spark plug collar PSIplug with M3.5 Sensor will fit spark plug bores of 22mm diameter or larger PSIplug requires either M3.5 or M4.5 sensor (ordered separately) SSP-MOD2 and SSP-MOD4: sets of the same spark plug type Model SSP-MOD1, PSIplug - Modified Production Spark Plug, Qty 1 Model SSP-MOD2, Set of 2 PSIplugs (of the same type) Model SSP-MOD4, Set of 4 PSIplugs (of the same type)

CALplug, Model Cxx-CP

1.5mm or 1.7mm diameter AutoPSI-S sensor is permanently attached to the user selected, modified production spark plug Developed for engine calibration and mapping applications Suitable for high spark plug-temperature applications (e.g., racing engines) Total pressure reading accuracy ±1% FSO Sensors are factory transferable to different spark plugs 100 bar CALplug will fit spark plug bores of 22mm diameter or larger