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.
• 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.