Kryptonite’s laser-cut, fully boxed upper control arms for 2020-2026 Silverado/Sierra 2500HD/3500HD are a direct replacement for the factory UCAs with stronger geometry. AT4X/ZR2 DSSV trucks are excluded; stock wheels with tires wider than about 11.50 in. may rub.
Owners of 2020-2026 Chevy/GMC 2500HD/3500HD trucks (non-DSSV) who want boxed Kryptonite upper control arms.
| Truck | 2020–2026 Chevy/GMC 2500HD/3500HD |
|---|---|
| Excludes | AT4X / ZR2 with DSSV shocks |
| Design | Laser-cut fully boxed steel |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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