88/131PCS Thread Repair Kit – M5/M6/M8/M10/M12 Engine Block & Bolt Hole Restoring Tool Set

The 88/131PCS Thread Repair Tool Kit is designed to restore damaged or stripped bolt holes in engine blocks, cylinder heads, and other automotive components. This professional-grade set includes thread taps, installation tools, and high-strength inserts for M5, M6, M8, M10, and M12 applications. It provides a reliable solution for rebuilding worn threads, improving strength, and extending the lifespan of mechanical parts. Ideal for repairing spark plug holes, exhaust manifold threads, brake calipers, and suspension components. Each insert is engineered to create a durable steel thread that is stronger than the original aluminum or cast metal surface. The precision-cut taps ensure clean, accurate thread cutting every time. The kit comes organized in a compact storage box for easy transport and quick access during repairs. Suitable for both professional mechanics and DIY automotive enthusiasts. Its universal design supports a wide range of car, truck, motorcycle, and machinery repairs. With heat- and corrosion-resistant inserts, this kit ensures solid, long-lasting thread performance. Whether you’re restoring an engine or fixing a stripped bolt hole, this set provides the reliability and versatility needed for demanding mechanical tasks.