Designed to repair M14-1.25 spark plug ports with no drilling required, the Plug-Saver repair system has long been the choice of professional mechanics and engine rebuilders. Available in three thread lengths, the Plug-Saver insert's mechanical locking system ensures permanent installation. Using Fix-A-Thred Plug-Saver systems is both quick and easy, and every kit includes three different length inserts, a pilot tap, and expansion tool.

Product Features:

• Repairs worn, damaged, or stripped threads.
• Can be successfully used with any alloy or cast-iron head.
• Kits available to fit M14-1.25 spark plug port threads, gasketed or tapered.
• Designed for use with almost any engine - automotive, motorcycle, marine, outdoor power equipment, and more