SPT15 Spark plug Therad Chaser 14mm & 18mm plugs<br/> <p> Spark Plug Tools - Spark Plug Thread Chaser 14x18mm - Suitable for cleaning corrosion and carbon build-up from spark plug threads. - Also possible to restore minor cross threading damage. - Use with a spark plug socket (21mm). </p> <p> </p> <p> Self clearing chaser type to clear clogged threads and realign crossed threads./ Particularly needed on aluminium heads </p>
