Check the listing for details. VIR Eliminator Fits 1974-76 GM Models Convert to Cycling Clutch System [50-3600]. Condition: New. Listed at 171.00 USD. VIR Eliminator 1974-1976 All GM Vehicle Applications [50-3600] Excluding Trucks Converts A/C systems w/VIR valves to an accumulator orifice, cycling clutch system as found on later models. Eliminates the common problems of sticking POA and expansion valve. Reduces the desiccant breakdown and rust in the steel casing, enhanced by heat from the exhaust manifold. Made in the USA!!! Old Air Products has been in business since 1989. We strive to provide quality parts and unsurpassed customer service. Our company specializes in complete aftermarket A/C and Heater Systems and Factory Replacement A/C & Heater Parts for Antique, Classic, and Custom Vehicles. We have many NOS & NORS parts in stock including Heater Valves, Receiver/Driers, Cables, update kits for STV & POA Valves, A/C Hose Assemblies, Vacuum Valves and Electrical Switches. If you have any questions about this item please contact our sales/technical support department or for our other A/C & Heater systems and parts available for antique and classic vehicles.