I would like to start getting into big swimbait fishing. I went out a few days ago and missed some good fish, due to not having a stinger hook. What sized hook should I use for a stinger hook on a 6 inch huddleston or an 8 inch osprey? I am looking to buy some treble hooks, but I have no clue what size to get. Thanks

a size 1 or 1/0 should work.

Shouldn't be any need for a stinger on a 6" Hudd. I've had 15 inchers choke them. If you feel you must, I'd go with a smaller but strong hook like a 2-4X strong hook in a #2 size. Only thing a stinger hook has ever caught me on a big swimbait is more snags.