Can a heli-coil insert – be replaced?

The heli-coils coils are not ideal for aluminium. The inserts you wanna use are steel threaded inside and out and has three steel pins that are driven in along the sides after the insert is threaded in sorry I can't remember what they are called. You could easily repair that intake with one of them. I use them a lot at work I look them up and see what they are called