Sealey Reverse Action Spark Plug Thread Chaser 12mm MS002

Specially designed to repair damaged spark plug threads on modern 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 ident... - Manufacturers part number: MS002

• ONE YEAR GUARANTEE FROM A REPUTABLE UK COMPANY – Founded in 1978, Sealey is a large family run business with a vast product range. Trusted by professionals, all Sealey products are thoroughly tested and backed by unrivalled aftersales service.
• 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.
• Traditional thread restorers rely on luck for the restored and undamaged threads to align.
• 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.
• Specially designed to repair damaged spark plug threads on modern engines.