Cleans and re-threads spark plug ports from the inside out
Uses the good threads at the base of the port
Reduces dirt and metal from being driven into the cylinder head
Use light grease on the end to trap filings
Size: 10mm
This tool allows for chasing spark plug threads from inside the cylinder head and working outward. Also reduces chance of debris from falling into the cylinder. This not only makes the job easy, but it allows for a clean re-threading job!
