Hi guys a NOS SLS valve for sale in the UK on ebay http://www.ebay.com.au/itm/Mercedes-Benz-W126-500SEL-W116-6-9-sls-suspension-height-valve-HPF-Hohenregler-/251195244406?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item3a7c673f76 . Geoff :D