valve, size, refridgerant, hydrocarbon, internet, locating, trouble, system, cores, replacement, purchace, core, regular, side, fittings
- Where can i purchace replacement AC valve cores for both my hi and low side fittings? Its a 91 regular r12 system though il be using hydrocarbon refridgerant. I just dont know what size i need to get and im having trouble locating them on the internet.