Enclosed 8 Cyl., adjustable spark gap tester. Has heavy-duty wire for mounting in any position. Helps reduce the possibility of igniting gas fumes (Wires sold separately) Part...

CDI Spark Tester 1-8 Cylinder - 519-S48 Spark Tester with external leads for those hard to reach locations. Capable of checking 1-8 cylinders. Tester can divide in two section for testing...

CDI DVA Adapter - 511-9773NL Converts your engines AC Voltage signal to DC Voltage to measure the Peak Output. Simply remove your existing test leads out of the meter, plug in the DVA Adapter and...

CDI Piercing Probe Set - 511-9770 Fully insulated probes with spring loaded clamp. Probes with stainless steel pin self-centers and punctures insulation. Includes: 1 red & 1 black probe...

CDI High Performance Spark Plug Wires 1994-2006 (85 JET, 90 & 115HP) 60 Degree Engines. Qty. 4 Replaces: 18-8839-1, 931-4922 Part Number CDI-931-4922

Combination tester does both pressure &vacuum testing. Replaces: S34, V34 Testers. Includes: 551-34HA, 551-334M & 551-334S Part Number CDI-551-34PV

Used to test V4/V6 optical sensor on the engine or on the bench, Unique Design sounds an audible alert when setting the ignition timing to allow an eyes-free operation. Replaces: 434017 OIS 2000...

CDI Mercury Copper Core Spark Plug Wire Replacement spark plug wire for CDM Modules. Replaces: 84-821945A61, 934-7124 Part Number CDI-934-7124

CDI Copper Core Spark Plug Wire - 931-2365 9.5” Double-booted spark plug wire Replaces: 18-5230-9-1, 18-5231-1, 582365, 931-2365 Part Number CDI-931-2365