Air Con POA Valve retro Fit GM 66-73 eraThis upgraded POA air conditioning valve serves as a functional replacement, though it differs visually from the original. It converts the POA system into a cycling clutch system, similar to those used in most later model vehicles. Eliminates Aggravating Sticking internal Piston. Saves as Mileage and decreases length of load on engine. Easier Diagnosis of Expansion Valve Failure. Easy To Install. Compatible with all Automotive Refrigerants. FITS: FITS
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