Bilstein 4600 Series Rear Shocks For 1999-2016 F250/F350/F450 Super Duty 4WD suspension systems This model is specifically designed

This model is specifically designed to be installed into a 12V electrical system only

Maximum Performance Our cold air intake for the 2017-2018 Silverado 1500 / Sierra 1500 was engineered to minimize air restriction with a custom enclousure that protects the filter from engine heat and dirt

CNC Machined Billet 6061-T6 Aluminum

Air/Vapor and Debris from Diesel Fuel

Bilstein 4600 Series Rear Shocks For 1999-2016 F250/F350/F450 Super Duty 4WD suspension systems This model is specifically designedBilstein's technically superior, patented monotube gas charged design allows the excessive heat from the oil to transfer to the outer surface of the shock body and dissipate more efficiently. The dividing piston also permits the oil to expand as heat builds, preventing aeration (foaming) and viscosity loss. This allows the shock to maintain full damping characteristics as temperatures rise. The tube of a Bilstein Gas Pressure Shock Absorber is