So I my brakes are dragging, the caliper releases fine but I think the slider bolts are stuck. Which part actually slides. The inner bolt or the outer sleeve? What lube should I you my high temp never seize seems to be too think. Thank you

I just did the same yesterday also with a stuck slider.I lubed them with some synthetic grease.
Im pretty sure the bolt slides in that little column (slider) .If they are rusty clean them up first.

I always sand then down a bit and use the thick antiseize. It'* not going to affect the slide action and keeps water out best.

You need to clean up any rust or pitting on the bolts. There needs to be some kind of grease to keep water out. Also the rubber boots need to be in place and in good condition and they should slide fine