ZVD - 5-piece spark plug thread repair tool set M14 x 1.25, spark plug rethread, cylinder head rethread kit 4 inserts

【Kit Contents】The kit includes a 14 mm twelve-point thread reamer compatible with a 3/8 inch ratchet or wrench, as well as four blades in different sizes: 3/8", 7/16", 1/2", and 3/4". These comprehensive and easy-to-use tools are indispensable. 【High-Quality Material】Made of high-quality chrome vanadium steel, our spark plug thread repair kits are oxidation and corrosion resistant and extremely durable. 【Thread Repair】Repairing spark plug threads is child's play with the kit. Cutting the threads restores damaged or chipped spark plug threads, restoring spark plug configurations in aluminum heads. 【Easy to Use】Simply check if the spark plug heads are made of aluminum, and this kit will do the job. For convenience, you can also use a thread locking compound (not included in the kit). 【Application】This M14*1.25 thread repair kit is ideal for spark plug repair.