VS624 - Reverse Action Spark Plug Thread Chaser 12mm
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Details of VS624
o Specially designed to repair damaged, deep-seated spark plug threads on modern engines.
o Unique design allows the tool to be passed through the plug thread into the combustion chamber, then expanded to the correct size starting on the inner, undamaged threads.
o Traditional thread restorers rely on luck for the restored and undamaged threads to align.
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