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Serving Hobbyists for Over 50 Years

(330) 549-5313
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Model A Polarity Tester

Simply place this unit between the distributor cap and the coil wire, and it indicates if you have the wires on your coil properly as well as if you have spark or not. Comes with complete usage instructions, genuine Nu-Rex. U.S.A.


  1. A-12116 $24.95 / ea.
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