KRYPTONITE SHOCK EXTENSION KIT 2011-2025 Duramax 2500/3500HD

Fits; 2011+ CHEVY/GMC 2500/3500 HD

Will NOT fit on 2024+ AT4X & ZR2 trucks equipped with DSSV shocks. 
 

Use these upper shock extension brackets to extend your factory length shocks to allow your suspension to achieve the full amount of down travel available.
 
(Kryptonite No Fine Print Lifetime warranty)-Kryptonite steering and suspension components are warrantied for life to their original purchaser. This warranty is against any manufacturer defects, premature wear or breakage. Race it, jump it, off road it, wreck it, lift it, I think you get it? We don't care. If you can break it we will replace it.