POA Update Kit (134A) 1965-73 GM/Ford Applications [50-2552A]

This POA Update Kit is for use with 134A refrigerant, for R12 order 50-2552. POA valve update kits convert the A/C system to a cycling clutch type system as found. Update kit includes: Pressure cycling switch, O-rings, wire harness and fitting to replace original POA valve with ports to attach oil bleed line and expansion valve equalizer tube.