The Bilstein Motorsport AK Series (24-291699) is a high-performance 46mm monotube shock absorber specifically valved for competitive use and modified street performance. Engineered with a large diameter piston for superior fade resistance and consistent damping, this shock is ideal for GM A-Body and G-Body platforms. Part of the AK Series, it features a heavy-duty steel body and high-pressure nitrogen gas technology. Package Includes: 1x Shock Absorber (24-291699), 1x Mounting Hardware Kit (B4-KT1-Z043A00), Installation Bushings.