Viking's double adjustable rear shocks offer 19 independently adjustable compression and rebound settings, allowing for a total of 361 possible valving combinations. They are designed to directly replace your vehicle's shocks and can significantly enhance performance in various driving situations. These shocks can be easily optimized for street driving, drag racing, autocross, or road racing without the need for any tools. Each shock is meticulously built, dyno tested, and serialized in Lakeville, Minnesota. Additionally, they can be rebuilt at a Viking facility or an authorized rebuild center. Each purchase includes one shock, and two shocks are required per vehicle.