The Bilstein B8 5160 Series (B8 5165) remote reservoir shock absorbers are designed as a high-performance upgrade for custom lifted trucks and SUVs. The remote reservoir design provides increased oil capacity and heat dissipation, ensuring consistent fade-free performance in harsh off-road environments. These shocks feature a 46mm digressive piston with self-adjusting deflective disc valving for superior control. This part is sold as a single shock absorber unit. Specifications: - Series: B8 5165 (5160 Series) - Travel: 8.89 inches (226 mm) - Extended Length: 22.44 inches (570 mm) - Collapsed Length: 13.54 inches (344 mm) - Valving: 170/60 - Mount Type: Eye to Eye (ID 5/8in) - Finish: Zinc Plated Package Includes: - 1 x Bilstein Remote Reservoir Shock Absorber (25-331875) - 1 x Reservoir Mounting Bracket Kit (Hardware included)