Perfect Fit for Your Engine: Choose between M12x1.25 or M14x1.25 inserts; fits gasoline, diesel engines, and generators. Prevent failures caused by loose or detached spark plugs.
14 mm Back Tap Spark Plug Thread Tool M14x1.25 Limited Access Spark Plug Thre...
Spark Plug Thread Repair Kit, High Speed Steel Tap Spark Plug with M12x1.25 I...
Spark Plug Thread Repair Kit M12x1.25 | High Speed Steel Tap Spark Plug with M12
Spark Plug Thread Repair Kit M12x1.25 High Speed Steel Tap Spark Plug with M12x
Spark Plug Thread Repair Kit, High Speed Steel Tap Spark Plug M12x1.25 Insert...