DescriptionIf your truck is lifted, the B8 5100 is the shock Bilstein built for it. The monotube design shrugs off heat and fade, while a velocity-sensitive digressive piston adapts to whatever the road throws at it — all valved specifically for your application. Expect a firmer, more controlled ride without the harshness a lift usually brings.Bilstein B8 5100 shock absorbers are designed as a direct fit solution for lifted trucks and SUV’s. These shock absorbers feature a monotube design which provides consistent fade free performance. B8 5100 shock absorbers utilize a unique velocity sensitive digressive piston which reacts to changing road conditions. All B8 5100 shock absorbers are tuned for each specific application to assure optimal performance is achieved. B8 5100 shock absorbers offer a significant improvement in ride quality handling and comfort. Features Bilstein B8 5100 shock absorbers are designed as a direct fit solution for lifted trucks and SUV's. These shock absorbers feature a monotube design which provides consistent fade free performance. B8 5100 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B8 5100 shock absorbers are tuned for each specific application to assure optimal performance is achieved. B8 5100 shock absorbers offer a significant improvement in ride quality, handling, and comfort. Specs Collapsed Length (in): 18.17 Extended Length (in): 29.92 Stroke/travel Length (in): 11.75 Lower Mount Type: Eye 14.1mm Upper Mount Type: Eye 14.1mm Internal Design: Monotube Reservoir: No Body Design: Smooth Body (Non-Coilover) Body Diameter (od): 2.0 in. Piston Diameter: 46mm Boot Included: Black Bellows Spring Seat Included: No Shaft Diameter: 14mm Adjustable Damping: Non-Adjustable