Smooth the Annual Groove Get Your Spark-On


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.

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