The Bilstein B6 4600 series is designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUVs. These shock absorbers feature a monotube design which provides consistent fade-free performance. Bilstein 24-197724 utilizes a unique, velocity-sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is achieved. Bilstein B6 4600 shock absorbers offer a significant improvement in ride quality, handling, and comfort. Product features: 46mm Monotube design, High-pressure Nitrogen gas charged. This item is a single shock absorber. Compatible components (available separately if required for full strut assembly): Bilstein 24-197724 (Rear Shock). Note: Does not include coil spring or upper mount.