302167 Toledo Hd Spark Plug Firing Tester Flexible lead type spark plug tester
Test for non-start conditions and for spark strength
Simulates spark plug under compression load
Standard ignition minimum spark plug gap indicated by S
Electronic ignition minimum gap (10mm ) indicated by E
When gauging voltage turn tester screw counter-clockwise to increase gap
2kV marking: (2/0)
3kV marking: (3/0)
4 kV marking: (4/0)