D2 Racing Air Struts Volkswagen D2 Racing Air Strut Assembly 1998 2005 VW Volkswagen Passat Sedan FWD D2 Racing RS Coilovers Shocks D2 Racing Mustang Air Struts with VERA Element Management D FO 15 ARVEL D2 Racing Mustang Air Struts with VERA Basic Management D FO 15 ARB (05. ABOUT D2 AIR STRUTS D2 Racing Air Struts allow for adjustment through both the lower mount and inflatable air bag portion. Each air shock features a 36 way damping adjustable internal shock design for fine tuning of ride quality and response. Kit Includes: D2 Racing front suspension D2 Racing rear suspension (4) 1 4 tube 1 8 BSPT compression elbows (2) Spanner tools (4) Damping adjustment knobs