The Bilstein 33-187396 16.85"-27.56" Rear Shock Absorber B6 Series is engineered to enhance the performance and durability of your vehicle's suspension system. Designed as a direct fit upgrade for stock-height light trucks and SUVs, this shock absorber offers a significant improvement in ride quality, handling, and comfort. Its monotube design ensures consistent, fade-free performance, even under demanding conditions. The velocity-sensitive, digressive piston adapts to changing road conditions, providing optimal damping and stability. Tuned specifically for each application, the Bilstein B6 4600 series shock absorbers deliver superior performance tailored to your vehicle's dynamics. Constructed with high-quality materials and coated with a corrosion-resistant yellow finish, this shock absorber is built to withstand various weather conditions, ensuring longevity and reliability. The Bilstein 33-187396 shock absorber is compatible with 2009-2013 Ford F-150 models, including Crew Cab, Standard Cab, and Extended Cab pickups. It features a collapsed length of 16.85 inches and an extended length of 27.56 inches, with both lower and upper mount types being 12mm eye. The internal design is monotube, and the shock absorber includes a blue bellows boot for added protection. With a limited lifetime warranty, the Bilstein 33-187396 shock absorber offers peace of mind and dependable performance for your vehicle.