What's the best way to fix aluminum intake threaded hole for temp gauge sending unit?

https://www.napaonline.com/en/p/BK_T301?cid=paidsearch_shopping_dcoe_google
I like the idea of the Heli-coil, but you would have to Loctite the HeliCoil insert, and I'll bet a kit is over $65.-. Pipe taps are cheap, and everyone should own a set up to 1/2" anyway.