In stock form this truck has only 2" of droop travel in the front suspension, not enough to provide a good ride quality for anything more than going through a gutter or small dip. Cognito has figured out how to maximize the potential of the front suspension travel by determining the precise amount of spacer that can be added to the stock Multimatic DSSV front shocks in order to increase the droop travel to just over 3". This 50% increase in droop travel allows for more compliance through bumps and dips without getting the harsh feeling of the front shocks topping out.. Cognito Front Shock Extender For 2024 GMC 2500HD AT4X / 2024 Chevy 2500HD ZR2. Cognito 24-24 Chevy/GMC Silverado/Sierra 2500 Front Shock Extender. Precise thickness to maximize droop travel. Anaodized blue to match the DSSV shocks. 2024 2500HD AT4X Front Shock Extender. 1-hour DIY install time. Billet Aluminum. Shock Extender

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