Looks like AirBagIt.com valves.
(look them up. not good reviews)
http://www.airbagit.com/Brass-Air-En...engine-8aa.htm
Probably the entire set-up came from them.
I would check the bags closely for dry-rot cracks.
Air compressors should have check valves on the hoses.
I hope this works out for you,... but I would pass on that type of air valves.
A
manual valve set up would be better.
Member way2lo2 sells great air ride products.
http://stores.ebay.com/Street-Machin...=p4634.c0.m322