Bilstein 5100 Monotube Shocks Set for 2001 2010 GMC Sierra 2500 HD 4WD BILSTEIN Defense BILSTEIN Defense S1084d0670a2a4db6b801cf3294dc1039x.jpg Bilstein 5100 Monotube Shocks Rear Pair for 2010 2024 Lexus GX460 MAZ SPARE PARTS TRADING ESTABLISHMENT. Bilstein SMX Series shock absorbers are specifically designed for motorsports applications that mandate the use of stock mount (OE) suspension components. Designed using 46mm monotube technology, the shocks are available in a variety of damping options including dry kit designed specifically to provide the best options for a variety of race track types and conditions. Built in the USA with precision components and top quality controls, the SMX Series shocks deliver Bilstein's famous fade free performance and consistency in a factory mount package that championship winning racers demand. Details: Series: SMX Series Internal Design: Monotube Lower Mount Type: Bar Pin Upper Mount Type: Stem Finish: Black Paint Adjustable: Non Adjustable Body Design: Stock Mount Smooth Body Collapsed Length Inch: 8. 27 Body Material: Steel225 Extended Length Inch: 12. 01 Boot Included: No Pistion Diameter: 46mm Pistion Type: Linear Rebound at 10in s: 325 Shaft Diameter: 11mm Stroke Travel Length In: 3. 74 Stroke Travel Length In: 95 Notes: GM Metric Front, 4 6 Valving Warranty: 90 Day Warranty