*** IN STOCK SHIPS TODAY *** Made from heat treated cast alum. then black anodized for corrosion protection. The bore for the barrel valve spool is precision honed for a precise fit and the barrel valve has all the standard AN ORB holes that RBS can supply fittings and plugs for or the racer can transfer them from an old unit if need be.
RBS carries a large supply of O-rings, snap rings or any other Enderle barrel valve part that you can think of.