Sealey Reverse Action Spark Plug Thread Chaser 14mm MS003 U1-A2_ZLAS ds-de816fd3-cell img{width:100%

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Suitable for AC currents and aluminium welding

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The 890mm long tubular steel handles with soft grip provide both comfort and strength

Sealey Reverse Action Spark Plug Thread Chaser 14mm MS003 U1-A2_ZLAS ds-de816fd3-cell img{width:100%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