The Monroe Magnum Cab Shock isolates the cab from the frame, offering a smoother, more comfortable ride. Specifically designed for today's heavy-duty cab suspension, the gas-charged Monroe Magnum Cab Shock utilizes patented groove tube technology and vel Product Features:Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly - on most applicationsPTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability - on most applicationsTenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability - on most applicationsNitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aerationLoop welding technique Resistance weld with additional 360-degree weld provide up to 12,100 lbs. (5,488 kg) tensile strength for maximum durability - when required2-inch (50.8 mm) reserve tube More fluid for more consistent performance - on most applications1-3/8-inch (35 mm) bore Larger bore than most shocks to provide more efficient and consistent control - on most applications.05-inch pressure tube withstanding pressure of 9KPSI - On most applications10-stage valving Reacts to wide range of driving conditions - on most applications