Performance Tool Spark Plug Thread Repair Kit M14-1.25 (5 Piece)
M14-1.25 thread size
Use with drill bit size 9/16″ (14.5 mm)
Restore threads to the original sizing
Includes:
(1) 4241 HSS M14-1.25 UNC tap
(1) Install/punch tool
(3) 304 stainless steel inserts






