The ICON 2.0 Aluminum Series rear shock with internal reservoir for 2001 and up GM HD with 0–1" lift is a vehicle-specific upgrade that enhances ride quality for daily driving and light off-road use. Anodized aluminum construction, a one-piece piston and nitrogen-charged monotube design provide consistent damping using premium 5WT oil. These shocks are 100% rebuildable and 100% revalveable for longevity.
ICON 01-19 GM HD 0-1in Rear 2.0 Series Aluminum Shocks VS IR