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- GAP SPARK PLUGS TO YOUR VEHICLE’S SPECIFICATIONS: Every engine has different specified sizes for spark plug gaps – generally speaking, more powerful engines require small gaps, less powerful engines require large gaps; this tool lets you measure spark plug gaps and adjust spark plugs to the proper gap size
- SPARK PLUG REPAIR AND INSTALL TOOL: Spark plugs are sold in common gap sizes, so usually they do not need to be gapped, but for custom engines and for repairing older plugs, resizing your spark plug gap is often required
- SPARK PLUG DIAGNOSTIC TOOL: If you know you’ve got an issue with a spark plug, checking that it’s properly gapped can be a good starting point for any repair; Make sure you clean the plug first
- PRECISION GAPPING TOOL: Gapping tool is useful for making slight adjustments to your spark plug gap; Remember, your bottom electrode is fragile, so you want to make small adjustments to avoid bending it back and forth
- FULL SPECIFICATIONS: Everything you need to gap your spark plugs to 6 common gap sizes: . 025” (. 64mm), . 03” (. 76mm), . 034” (. 86mm), . 035” (. 89mm), . 04” (1. 02mm), and . 045” (1. 14mm); tool measures and adjust electrode gaps
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