D2 Racing Charger Air Struts with VERA Essential Management D CR 01 1 08 09 Volkswagen Golf V R32 (55mm FLM) D2 Air Strut Kit AccuAir D2 Racing Air Struts with Vera Essential Management Tesla Model 3 4WD D2 Air Ride Suspension D2racingsport.eu. 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