68-72 C3 Air Conditioning POA Valve Upgrade With R134 Refrigeran

This kit is a must for all 1967-72 Corvettes with an original valve. The update includes a pressure cycling switch, o-rings, wiring harness and fitting to replace the original POA valve with ports to attach the oil bleed line and expansion valve equalizer tube.

Replaces and upgrades original POA valves
Connects system to modern cycling clutch-type systems
Eliminates problem of sticking internal pistons