Diagnose ignition system issues with precision using this professional-grade spark plug tester. Dual-hole design allows simultaneous testing of two plugs, streamlining your diagnostic workflow. Features clear visual indicators to identify misfires, weak sparks, and faulty plugs instantly. Built for mechanics and serious enthusiasts who demand reliable, repeatable results. Compact and durable construction withstands demanding shop environments. Essential tool for engine troubleshooting and maintenance.
