【Thread Repair】The spark plug thread repair kit is very easy to use. Use it to cut threads, repair chipped or damaged spark plug threads, and repair spark plug settings in aluminum heads. Thread repair only requires this set of tools, no other complicated tools are required. Anyone can use it without any difficult operations.

【Easy to Use】The M14*1.25 thread repair kit is suitable for spark plug repair. Just make sure the spark plug heads are aluminum and this kit will do the job. For ease of use, you can also add a threadlocker (not included in the kit). In addition, the sleeve has a metal holder to hold the pin inside during installation and removal.

【Kit Contents】The kit includes a 12-point tap drill of 14mm (can be used with a ratchet or 3/8 \" wrench) and 4 blades, the sizes are 3/8 \", 7/16 \", 1/2 \" and 3/4 \". The tools are complete and easy to use.

【Premium Material】Our spark plug thread repair kits are made of high-quality chrome vanadium steel (CR-V). Anti-oxidation, anti-corrosion and durable. Compared with similar products, we have optimized the quality to withstand more pressure and not be easily damaged.