Reverse Action Spark Plug Thread Chaser 12mm

Lambfell - Agri & Industrial Spare Parts Verified independent store

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• Specially designed to repair damaged spark plug threads on modern petrol engines. • 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. • Traditional thread restorers rely on luck for the restored and undamaged threads to align. • The first letter(s) of a Denso, NGK and Bosch plug code is the thread size identification. For Champion brand the second letter(s) of a plug code is the thread size identification. Show more