Helicoil M12 Spark Plug Hole Repair Set, 12 x 1.25mm (5523-12)

Helicoil 5523-12 M12 Spark Plug Hole Repair Set – 12 x 1.25mm is designed to restore damaged or worn-out spark plug threads in automotive applications. This kit provides a reliable solution for repairing spark plug ports, ensuring a secure fit for spark plugs and preventing further damage to the engine. The set includes a piloted reamer tap (no drilling required), an installation tool, and a variety of inserts to accommodate different spark plug reaches. Ideal for automotive repair shops or DIY enthusiasts, the M12 kit provides everything you need for quick and efficient repairs.Features: Thread size: 12 x 1.25mm Includes piloted reamer tap for easy thread restoration without drilling. Installation tool for precise and efficient use. Includes inserts for different spark plug reaches (1/2″ and 3/4″). Perfect for automotive repairs and maintenance.Benefits: Restores damaged or stripped spark plug threads to ensure a secure fit. Includes all necessary tools and inserts for efficient thread repair. No drilling required, saving time and effort during repairs. Multiple insert sizes for versatile applications across different spark plugs.Technical Specifications: Model: 5523-12 Thread Size: 12 x 1.25mm Tap Part No.: 1030-12 Installation Tool Part No.: 4971-12 Insert Package Part No.: R482-1 (1/2″ Reach), R482-2 (3/4″ Reach) Insert Quantity: 6 inserts per package (1/2″ and 3/4″ reaches)