CDI 511-4017 CDI Optical Sensor Tester - 4/6 Cyl.

 CDI-511-9766 Spark Tester Enclosed 8 Cyl., adjustable spark gap tester. Has heavy-duty wire for mounting in any position. Helps reduce possibility of igniting gas fumes Adjust from 1/8 in, 1/4...

CDI-511-9764 Inline Spark Tester Ideal for personal watercraft. Sealed design is an added safety factor that further reduces the possibility of igniting gas fumes, especially in the hull of a...