The Bilstein 5100 Series (33-187471) is a high-performance 46mm monotube gas pressure shock absorber specifically designed for lifted trucks and SUVs. Featuring a patented digressive valving system and a zinc-plated finish, it provides superior control and durability on both highway and off-road terrains. This SKU consists of a single unit. Included parts: 1x Shock Absorber (33-187471), 1x Mounting Hardware Kit. Direct fit for 2009-2014 Ford F-150 with 0-2 inches of rear lift.