Tap Size: M14 1.25. Step Tap Size: M14 1.25, M15.5 1.25. Spark Plug Repair Tool Kit, Spark Plug Thread Repair Rethreading Set,25-Piece M14x1.25 Screw Thread Tools Repair Kit. Extension tool can easy access to the bottom of plug groove.
27pc Spark Plug Thread Repair Kit M14 x 1.25 Tap Set
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26pc Spark Plug Thread Repair Kit M14 x 1.25 w/ Metal Case
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26pc Spark Plug Thread Repair Kit M14 x 1.25 w/ Metal Case for Car/Lawn Mower
25 Piece Spark Plug Thread Repair Kit M14 X 1.25 With Metal Case
