I have a curt class III, 2 inch receiver for a TJ. It needs a coat of paint but other then that is good to go .
It attaches to the underside of the frame in the rear and will work with stock and most aftermarket bumpers.
Here is a link new one on etrailer
got a never-installed 2" uhaul brand hitch with hardware for a s10. it's been sitting in my garage. never installed it on my s10 before i sold it. $50 bucks takes it. if interested don't post, call me. 586 255-0073 Derek