Bilstein B8 8100 reservoir shock absorbers are a large bore 2.65-in OD direct fit solution for lifted trucks and SUVs. Constructed from aerospace quality billet components the large 2.65-in OD shock body shock body offers a higher oil volume capacity to control heat while tackling rough road surfaces over long distances. Each B8 8100 offers a unique remote or piggyback reservoir solution for an easy hassle free installation. These shock absorbers feature a monotube design for consistent fade free performance and utilize velocity sensitive digressive valve settings which are tuned for each specific application. The large 60mm piston design offers more comfort and control in all driving conditions. The Bilstein B8 8100 will allow you to tame the terrain in comfort.Features & Benefits 60mm large bore digressive piston offers a greater range of tunability and delivers exceptional comfort without sacrificing controlDirect fit for an easy installation60mm remote reservoir offers increased oil capacity for consistent performance over rough terrainAdditional Attributes Adjustable Damping:Non-AdjustableBody Design:60mm ID Smooth Body (Non-Coilover)Boot Included:NoCollapsed Length (IN):14.94Collapsed Length (MM):379.5Extended Length (IN):23.48Extended Length (MM):596.5Finish:EVO GreyInternal Design:MonotubeLower Mount Type:Eye 19.2mmPartType:Shocks / StrutsPiston Diameter:60mmProp 65 (Y/N):YProp 65 - Short Label:WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.govReservoir:YesSegment:Light TruckSeries:B8 8100Shaft Diameter:18mmSpring Seat Included:NoTitle:Bilstein Shock AbsorbersUpper Mount Type:Stem