I am using the Dapper V2 projectors. Not plug and play, took a bit to get them to fit as they are larger. A post in my build thread
https://67-72chevytrucks.com/vboard/...&postcount=223 The classic version should go in without mods. A projector with an hid bulb is as good as it gets for headlights imo. Some led's are nearing the quality and brightness of hid's, but they are not cheap and you need to look for them.