MONROE MAX-AIR SHOCK ABSORBERS, WHITE, SET OF 2 -- 24.38 in. extended length; 14.5 in. compressed length; With stem upper mount and cross-pin lower mount; Includes air fittings; Does not include air line and air valve kit; These nitrogen gas-charged, twin-tube shocks can maintain ride height when up to 1,200 lbs. of additional weight is loaded, making these ideal for vehicles that haul heavy loads or tow trailers; Features all weather fluid containing special modifiers for reduced friction and smooth rod reaction, full displaced valving for better valving range on both compression and extension for a smooth and comfortable ride, sintered iron piston that is stronger than traditional metals to enhance durability, lubricated air sleeve to reduce friction and provide smoother operation during suspension movement, special air fitting to resist air leakage, 0.5 in. hardened and precision ground piston rod for consistent performance and long service life, and large volume air chamber that can inflate up to 150 psi with loaded vehicle and deflates for normal driving..