Why Use A Heli-Coil Insert? What makes Heli-Coils so good is their unique design. The wire is diamond shaped, which features a 60-degree outside thread angle to grab and hold the wall of the hole ...

With the HeliCoil repair on the left and the Time-Sert on the right, you can see both have threads that look like new. On the HeliCoil insert, you can see a sharp edge in the lower left of the ...

You’ve cross threaded, over-tightened, or simply stripped the threads right out of the hole. That’s a big oops. Fear not, it’s possible, if not super convenient, to fix it.

The Heli-Coil threaded insert is screwed into the hole and run down as far as it will go. Once seated, the tang used to screw the Heli-Coil in will be broken off and discarded.

The Heli-Coil, available from Summit Racing Equipment, has long been the industry standard for thread repair. Heli-Coil inserts work in any material—aluminum, magnesium, cast iron, bronze, and more.

7.Bouchard uses a modified TrimeSert kit from Silver Seal, a thread-repair system that is many times stronger than a Helicoil and will withstand the 230lb-ft balancer bolt torque spec.

After doing some research on solutions and consulting with a mechanic friend, it appeared the best route was to get some -20 Grade 8 threaded rod, and use a lock washer and large nut.