4x Supreme Suspensions Branded MAX Performance Shocks Premium Silicone Blend Shock Boots to Protect Shock Pistons Nitro Gas Charged Max Performance Shocks optimized for up to 4" Lifted Applications Nitrogen Gas Charged Twin Tube Design with 10 Stage Velocity Sensing Valving Included Hardware Packs to Bolt-On Directly Into Your Factory Shock MountsWe are proud to introduce our own Supreme Suspensions branded line of shock absorbers designed to go hand in hand with the lift kits we have available for a variety of Trucks and SUVs. These shocks are longer than OEM stock shocks you normally have on your vehicle to better accommodate your installed lift kit and provide improved suspension travel and comfort.Supreme Suspensions Nitrogen Gas Charged Shocks are engineered for driving enthusiasts who command maximum performance, in the most demanding conditions. A self-compensating heavy-duty nylon-banded full displacement piston and double-welded mounts ensure maximum strength and durability for any type of operation, on or off-road, loaded or unloaded, hauling or cruising, our shock absorbers will instantly react to changing road inputs to maximize ride stability, comfort and control.