Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world-famous Bilstein quality.\nJaguar XJ 1971-1968; XJ6 1986-1972; XJ12 1979-1973; XJS 1996-1976\nJaguar XJ 1971-1968, XJ6 1986-1972, XJ12 1979-1973, XJS 1996-1976