A/C System Retrofit Kit R12 to R134a Retrofit Contains R134a Charging Adapters, O-Rings & Required Label.
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Q: First, are the valve adapter bodies steel or aluminum? Second, do you remove the original valves from the oem pipe and are the new valves installed in the new adapters?
A: The adapters are aluminum. You don't want two valves in each connection. The kit comes with new valves.