JNXIJ Spark Plug Thread Repair Kit, Spark Plug Rethreading Set with M14×1.25 Inserts & M16×1.25 Tap, Stainless Steel Thread Repair Tool Kit for Car Gasoline Engine Generator

JNXIJ Spark Plug Thread Repair Kit, Spark Plug Rethreading Set with M14×1.25 Inserts & M16×1.25 Tap, Stainless Steel Thread Repair Tool Kit for Car Gasoline Engine Generator

• Thread Recovery: This spark plug thread repair kit is designed to fix worn or damaged spark plug holes in aluminum cylinder heads. It restores stable thread performance quickly and helps avoid unnecessary part replacements. A practical solution for recovering engine function efficiently
• How to Use: First, drill out the damaged threads and clean the hole. Second, thread the tap in straight to cut new threads, reversing it often to clear chips. After tapping, the hole should be cleaned meticulously. Finally, please install the M14×1.25 insert into the new threads until it is fully seated
• Premium Material: Both the tap and thread inserts are made of quality stainless steel, offering excellent hardness and wear resistance. This durable build supports consistent performance during tapping and installation, holding up well through repeated spark plug repairs in engine maintenance
• Wide Application: This repair kit is compatible with gasoline and diesel engines used in cars, motorcycles, generators, and small machinery. It effectively restores damaged spark plug threads, offering a reliable solution whether for personal repair projects or professional mechanical work
• Package Includes: You will get one M16×1.25 thread tap measuring 3.74 inches in total length, 0.98 inch blade length, and 0.4 inch shank diameter, along with ten M14×1.25 thread inserts each 0.7 inch long. All components are precisely made to fit most spark plug holes for efficient repair