Sealey HT Tester Set 4pc
by Sealey
£15.05from 4 retailers
The Sealey HT Tester Set allows for efficient testing of high tension supplies in vehicles. Simply fit the tester between the spark plug and HT lead for reliable results.
GTIN05024209902885
EAN5024209902885
MPNVS5261
Prices updated 7 Jun 2026
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Product Description
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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