3 avalible, £8 each inc 1st class post
Brand new non-return valves for a mk1 focus steering rack
ordered for my Y reg 1.8 petrol, but I think they are all the same (except ST and RS)
these are not supplied with most recon racks (e.g. AMK) and the old ones aren't easy to get out (I think you have to strip down the old rack to get them out)
and the dealers don't stock them so I had to get a whole pack