At Foster Flight we know annual and 100-hour inspections are tedious, dirty and time-consuming jobs. To make your life easier, Foster Flight has introduced the Spark-OnDC resistance tester for shielded plugs.
Before installing or re-installing a spark plug its internal resister should be checked to be between about 500 and 5,000 Ohms. Spark-On will perform these checks quickly and easily for years to come.
This small, lightweight, handheld unit is simple and makes the test a breeze.
Call us or your favorite supplier today!