Internal Spark Plug Rethread Tool (087-656series)

Patented design allows for chasing spark plug threads from inside the cylinder head and working outward. The tool uses the better threads at the base of the spark plug port and greatly reduces the chance of debris from falling into the cylinder.

• 656A - 12mm Internal Spark Plug Rethread Tool
• 656B - 14mm Internal Spark Plug Rethread Tool
• 656C - 18mm Spark Plug Rethread Tool
• 656D - 08mm Internal Spark Plug Rethread Tool
• 656E - 10mm Internal Spark Plug Rethread Tool