14mm Spark Plug Thread Repair Kit

Rethreads damaged 14 millimeter spark plug holes in aluminum heads. Includes tap and 4 inserts: two 7/16", one 5/8" and one 13/16". Meets or exceeds ANSI standards. Lifetime warranty.
Rethreads damaged 14 millimeter spark plug holes in aluminum heads. Includes tap and 4 inserts: two 7/16, one 5/8 and one 13/16. Meets or exceeds ANSI standards. Lifetime warranty.

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Do you have fouled damaged threads due to old spark plugs? You need to straighten those threads without dropping engine killing metal shavings into your cylinders, or removing the cylinder heads, and no risky thread inserts. You need Powerbuilt’s patented 14 Millimeter Back-Tap Thread Repair Tool to save time and possibly that engine. The Back-Tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber.

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