Headlight Relay Kits

In the early 80's my buddy had halogens in his 70 Duster. Cops pulled him over and said his lights were illegal. Now car blind you and they do nothing. I like the Toyota kits with lights but would like some input from someone who has used them.
Genuine Toyota OEM 81110-60P70 Koto Halogen Headlight Conversion Kit, Pair, FJ60 | eBay