Stripped head bolt threads are a headache that will delay your project, and can even add the extra hassle and expense of taking your engine back to the machine shop. Using this tool, you will be able to accurately repair stripped threads in your garage. 

The tool consists of 2 components: 1) Drill and Tap Guide  2) Clamp Bar. The Drill and Tap Guide has hardened drill bushings that will ensure the drill bit and tap remain perpendicular to the head deck. 

This tool is for repairing SBC 7/16"-14 head bolt threads with Heli-Coil inserts (PN 5521-7). The Heli-Coil thread repair kit and 29/64" drill bit are not included.

Tools for other applications or thread repair methods may be able to be produced upon request.