Spark Plug Hole Thread Chaser (M14x1.25 / M18x1.5)
• Tapered double ended for both 14m/m and 18m/m threads designed to start and remove carbon & dirt or straighten damaged threads in spark plug hole.
• Use with deep socket, open ends or boxes wrench.
• M14 x 1.25 & M18 x 1.5 , Subtense : 21mm
