Set allows single or multiple testing. Simply fit tester between spark plug and HT lead and then run engine. Regular flashing of the testers indicates a good HT supply. Not suitable for engines with deeply recessed plugs.
– Set allows single or multiple testing. – Simply fit tester between spark plug and HT lead and then run engine. – Regular flashing indicates a good HT supply. – Model No. VS5261- Set allows single or multiple testing. – Simply fit tester between spark plug and HT lead and then run engine. – Regular flashing of the testers indicates a good HT supply. – Not suitable for engines with deeply recessed plugs.

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