Lisle 65200 Deep Hole Spark Plug Thread Repair Kit M14x1.25 Aluminum Heads

The Lisle 65200 Spark Plug Thread Repair Kit is specifically designed to restore stripped or damaged M14x1.25 spark plug threads in aluminum cylinder heads. This comprehensive kit provides a permanent solution by installing solid steel thread inserts in the original thread location, eliminating the need for costly head replacement.

Key Features:

• Repairs 14mm spark plug holes in aluminum heads with various depth configurations
• Includes solid steel thread inserts for superior strength and durability
• One-piece drill tap design simplifies the repair process
• Multiple insert lengths accommodate deep hole applications
• Professional-grade tools ensure precise thread restoration

Complete Kit Contents:

• One-piece drill tap (M14x1.25)
• Long tap holder and short tap holder for different access situations
• Insert installer tool
• Swedger tool with handle for securing inserts
• Thread inserts: (5) 11/16", (5) 7/16", (5) 5/16", and (1) 1" length
• Set screw for tool assembly

This kit is ideal for automotive technicians and DIY mechanics working on vehicles with aluminum cylinder heads where spark plug thread damage has occurred due to cross-threading, over-torquing, or thread corrosion. The steel inserts provide threads that are actually stronger than the original aluminum threads.