Application: Using M16 x 1.25 x 70mm length taps, you can enlarge the spark hole to fit the sleeve. Suitable for repairing 14mm 1.25mm spark plug thread. for spark plug thread kit Quality Assurance: We guarantee to provide you with new and high-quality products and fast shipping services. If you are not satisfied with our products, please contact us, we will provide you with perfect after-sales service until you are satisfied. High-quality materials: Made of hardened steel, these accessories are of strong strength and long durability. It is exquisite in craftsmanship and can be used for a long time with maximum durability. We make every effort to Main function: A nice set of tools for repairing damaged spark plug threads and extending the service time of spark plugs. High-quality products will provide you with high-quality assurance and you can buy Easy to carry: All tools are well organized in a blow-molded case to protect the components and easy to carry and collect. Well placed to