About This

• ncluding: Our spark plug repair kit including the M14-1.25 Inserts*8, Twist Drill, Screw Tap, Line up Guide, Cylinder Leak Tester, what's special is that we have two snap iron pieces. We offer two instructions, one is fixed in the packaging box and will not be lost, the other can be taken out for review, very flexible.
• Complete All-in-One Kit for Lasting Repairs: Our spark plug tool kit includes everything needed for a permanent fix: 8x M14-1.25 inserts (Part No. 389-100), a high-strength twist drill, a precision screw tap, an alignment guide, a cylinder leak tester, and two handy snap iron pieces. Two instruction guides are provided—one fixed inside the packaging and one removable for easy reference.
• Durable Construction & Superior Material Quality: Engineered for maximum durability, this thread repair kit features high-quality thickened steel tools that are heat-treated for enhanced strength and sharpness. The M14-1.25 inserts are hardened and treated with a black oxide coating to resist corrosion and rust, ensuring a more robust and long-lasting repair than standard helicoil kits.
• Professional-Grade Performance & Reliability: Designed to address common spark plug blow-out issues in Ford cylinder heads, this spark plug repair kit offers precise and specialized tooling for consistent, professional results. It is the preferred thread repair tool among automotive enthusiasts and industry technicians. Tip: Apply rust preventive oil to the drill and tap before long-term storage to maintain performance.
• Commitment to Customer Satisfaction: We stand behind the quality and effectiveness of our spark plug repair kit. If you have any questions or need assistance, our dedicated customer service team is ready to help and ensure your repair experience is successful.