Head bolt thread repair for import engines Emhart Teknologies' Heli-Coil M11 x 1.5 Metric Head Bolt Thread Repair Kit is specially designed for repairing head bolt threads on Cadillac, Honda, Toyota and most import passenger vehicle engines; and restores stripped head bolt threads to OEM specifications. Other features include:
- The Kit contains a High Speed Steel drill bit, an HSS Tap, a Heli-Coil installation tool and one dozen Heli-Coil stainless steel inserts.
- The installation tool enables extended reach, and a stop collar on the tool allows precise installation depth control.
- Inserts are made to a custom length of 33mm for proper head bolt engagement during installation.