2008 Dodge Viper Owner Manual Supplement - Page 15

5.0 Adjustable Dampers The Viper ACR suspension includes a set of adjustable coil-over racing dampers built by KW Suspensions. These dampers have been tuned by SRT handling engineers to provide the maximum handling performance without sacrificing reasonable road manners. The two-way adjustable dampers include adjustments for compression (bump) and rebound dampening. NOTE: Keep your damper settings at the street positions when operating your vehicle on the street.  WARNING: Only experienced track drivers should make adjustments to the suspension settings. Improper suspension adjustment can disrupt the balance of the vehicle and lead to a loss of control or accident. CAUTION: Do not make any adjustments or modifications to the nitrogen pressure of the damper canisters. This will void the warranty. The ACR suspension was designed and tuned with an uncompromising focus on handling. The ride response to road conditions may be harsher than expected from a typical sports car.