The Bilstein 25-242393 5160 Series Shock Absorber is the ultimate off-road shock for your 2009-2018 Ram 1500 and 2019 Classic Ram 1500 4WD. This shock features a monotube design with a self-adjusting deflective disc valve that reacts instantly to changing road conditions to give your truck better handling, stability and enhanced safety. The 5160 Series shocks are filled with high gas pressure for longer service life even when pulling trailers or driving off-road, and a remote reservoir that increases shock oil capacity for greater heat dissipation. Sold Individually. Specifications:Â Part Number: 25-242393 Series: 5160 Series Drive Type: 4WD Position: Rear Descriptor: Rear Lifted Height: 0-1" Quantity Needed Per Vehicle: 2 Finish: Zinc Plated Reservoir: Yes Body Design: 46mm ID Smooth Body (Non-Coilover) Measurements:Â Collapsed Length (IN)16.75 Extended Length (IN)26.73 Collapsed Length (MM)425.5 Extended Length (MM)679.0 Applications: 2009-2018 Ram 1500 4WD (Rear) Lifted 0"- 1" 2019 Classic Ram 1500 4WD (Rear) Lifted 0"- 1" Note: Lift height is suggested by mfg. Due to the many different aftermarket suspension systems it is recommended that a measurement is taken for proper application. Without Air Suspension.