Outback Armour Assembled Strut Kits Digressive - TrailThe Outback Armour "Digressive" (or "DSV") range of shock absorbers are designed and engineered in Australia to suit the harshest offroad conditions including: constant corrugations, rough mining roads, travelling across outback stations and just about anything else you can throw at them. The digressive valving allows the vehicle to freely move over rough terrain, working with the springs to soak up the bumps and quickly takes control of body roll and