K
gc valves 3/8 450 psi on ebay
lowsonoma18
+1y
check them out what you think they are 3/8 but have a 5/8 inner like the 1/2 450s.. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33586&item=2481263555