Works with ignition systems using non-recessed spark plugs, including distributorless ignition systems (D.I.S.). Connects easily between spark plug and plug wire.
PITTSBURGH Automotive In-Line Spark Checker for Non-Recessed Plugs - Item #63590
PITTSBURGH AUTOMOTIVE 90° In-Line Spark Checker
PITTSBURGH Automotive 90 Degree In-Line Ignition Spark Checker - Item #63593
Inline Spark Plug Tester Tool for Automotive Small Engine Coil Wire Lawn Mower