Bilstein B6 Performance Monotube Shock Absorber Fits select: 1997 DODGE Bilstein 5100 Series 14 20 Ram 2500 Rear 46mm Monotube Shock Absorber Bilstein Front & Rear 5100 Series Monotube Shocks for Ram 1500 2500 Bilstein For 4600 Series 2009 Dodge Ram 1500 Laramie 4wd Ccm Indicado. Bilstein B8 5100 shock absorbers are designed as a direct fit solution for lifted trucks and SUVs. These shock absorbers feature a monotube design which provides consistent fade free performance. B8 5100 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B8 5100 shock absorbers are tuned for each specific application to assure optimal performance is achieved. B8 5100 shock absorbers offer a significant improvement in ride quality, handling, and comfort.