●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

●Cleans and rethreads sparkplug ports from the inside out

●Uses the good threads at the base of the port

●Reduced dirt and metal from being driven into the cylinder head

●Use light grease on the end to trap filings and keep tool easy to use

●It's unique design allows for chasing spark plug threads from inside the cylinder head and working outward

●Uses the good threads at the base of the port

●Reduced dirt and metal from being driven into the cylinder head

●Use light grease on the end to trap filings and keep tool easy to use

●Contents : 
 

12 mm internal spark plug rethread tool

14 mm internal spark plug rethread tool

18 mm spark plug rethread tool

8 mm internal spark plug rethread tool

10 mm internal spark plug rethread tool

260 mm internal (thread chaser)

12 mm x 260 l

14 mm x 260 l