16pcs Spark Plug Thread Repair Kit - M14 X 1.25 Tap Spark Plug Rethreading Set With Portable Case Spark Plug Thread Repair Tool Screw Tap Carbon Steel For Gasoline Engines, Generators
Use Notice:
1. This is a tool set for repairing spark plugs with M14*1.25 threads. The tap is M16.
2. First, they have to confirm whether their spark plugs have this thread. Use a 14.5mm drill bit (need to prepare it separately) to knock out the original thread, and then use this M16 tap to tap. Then screw the M14 screw sleeve on.

The inner thread of this screw sleeve is M14, and the outer thread is M16.
3. Screwing it directly will not work well.
Specification
Material: Steel
Color: As shown
Quantity:16pcs/set
Size(about):

storage case: 21.5x10x4cm/8.5x3.9x1.57inch(LxWxH)
screw cap:
1.25x17.5mm/0.05x0.69inch
1.25x11.2mm/0.05x0.44inch
screw tap: 72x1.25mm/2.83x0.05inch
Package included:
5pcs x M14 x 1.25-11.2mm flange
5pcs x M14 x 1.25-17.5mm flange
5pcs x M14 x 1.25-17.5mm flange
1pc x M16 x 1.25 tap
Notice:
Due to the light and screen difference, the item's color may be slightly different from the pictures.
Please allow 0.5-2cm differences due to manual measurement