This POA Update Kit is designed for use with 134a refrigerant. Fits Ford applications with #12 fitting on both ends of the original POA Valve and internally equalized expansion valve.
POA Update Kit replaces the original POA Valve to convert the A/C system to cycling clutch system as found on later model vehicles to eliminate problems with sticking internal piston.
This kit includes: Pressure Switch, Wire Harness and fitting to replace POA valve with ports for oil bleed line from evaporator and equalizer tube from expansion valve.
US Patent #5918476
Made in the USA!