Power Disc conversion/ proportioning valve question

Calipers are fine, use the bleed screw furthest way from the brake line/inlet (the one closest to the hood of the car. They look like the ones doctor diff sells with the two bleed screws.

I respectfully disagree with jcb426. No need for Teflon tape on the bleed screw. If they don’t leak fluid when the brakes are applied and held they certainly won’t suck air when the peddle is left off.