Product Details: The Gabriel Shock Absorber is the perfect addition to your Freightliner, Sterling, Thomas, or Western Star vehicle. Part of the GasSLX product line, this shock absorber has an extended length of 22.19" and a collapsed length of 14.66", with a stroke of 7.53" and a bore of 1-5/8". Featuring a dust tube and recoil cutoff, this shock absorber is designed to withstand heavy use and extreme weather conditions without losing its performance. With a rebound force of 1206 lbs. and a compression force of 466 lbs. at the "Firm" (F) setting, the Gabriel Shock Absorber provides better handling, cornering, and stability, enhancing the safety of your vehicle by reducing the risk of accidents. The shock absorber comes with an upper mount code of ES158 and does not require an upper mount kit. The lower mount code is ES159, and no lower mount kit is needed. The external diameter illustration is G. FleetPride is your First Click in Heavy Duty®.