They have the largest available piston diameter, providing superior handling and performance. These shocks also have split compression and rebound valving tuned for each specific application..FeaturesInternal Design - MonotubeBushing Material - RubberBushing Color - BlackBoot Color - BlackMake - GMC, Chevrolet, FordYear - 1999-2007 The 5100s' patented digressive valving instantly reacts to changing surface conditions for maximum comfort and control on and off the road.
These Bilstein 5100 Series shocks feature a monotube design for cooler, more efficient operation and longer life. These shocks also have split compression and rebound valving tuned for each specific application.They have the largest available piston diameter, providing superior handling and performance..