GAOLAOSY 14mm Cylinder Head Rethreaded Kit, M14 x 1.25 Car Carbon Steel Spark Plug Thread Repair Tool Set with Tap & 4 Thread Inserts, Auto Repairing Accessories for Damaged Spark Plug Holes

【Function】: This spark plug rethread repair kit can effectively repair damaged spark plug threads, thereby helping to extend the service life of spark plugs and improve the overall performance of the vehicle. It is easy to operate and requires no complex skills, so even those without experience can easily get started.

【Size】: The 14mm 12-point threaded reamer has a total length of 2.5 inches, and the sizes of the 4 spark plug thread inserts are 3/8-inch, 7/16-inch, 1/2-inch, and 3/4-inch, respectively. The threaded reamer adopts a tapered design, and its tip can accurately fit the hole position and perform re-threading to ensure smooth installation. Please measure the size of the spark plug to ensure product compatibility.

【High-Quality Material】: This thread repair tool kit is made of high-quality carbon steel, which has high hardness, wear resistance, corrosion resistance, and excellent toughness. It is not easy to deform or break, and it can maintain stable performance after long-term use, bringing you a relaxed and convenient maintenance experience.

【Wide Application】: This spark plug rethread repair kit is widely used in automobile engine maintenance and daily vehicle maintenance. It can help you re-thread, repair, and clean the damaged 14mm spark plug holes in aluminum cylinder heads. It is a practical and indispensable automobile maintenance kit.

【Package】: You will receive 1 spark plug rethread tap and 4 spark plug inserts of different specifications. The accessories are complete, which can cover various needs in the process of spark plug hole repair and improve work efficiency.