Resistance

Air Supply: Min

Coil Spring Compressor/Spring not included

Square: 3/8"

Model No VS70091

Sealey Spark Plug Thread Chaser Reverse Action 14mm Repair Engine Damage Length_16mm ResistanceSealey Reverse Action Spark Plug Thread Chaser 14mm 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. Size: 14mm. Length: 138mm. The first letter(s) of a Denso,