Fabtech Upper Control Arm lift kit provides a 1.5" increase in ride height for Trail Boss and AT4 models without creating suspension bind at full droop. Designed to clear full‑size 33" tires on 18" or 20" wheels, this kit brings vehicles with the factory 2" lift to an effective height comparable to a 3.5" lift on a standard model.
The kit includes Dirt Logic 2.5 stainless steel coilover shocks with a NitroSteel piston rod for enhanced corrosion resistance and durability, delivering excellent on‑ and off‑road ride quality. Tubular upper control arms with heavy‑duty ball joints correct front suspension geometry for the new ride height and proper alignment. No differential drop brackets are required for CV axle operation with the updated GM suspension geometry. Rear lift is achieved with 1" blocks and u‑bolts, and the kit includes Dirt Logic 2.25 stainless steel rear shocks for superior damping and corrosion resistance. Some owners may choose to omit the rear blocks to achieve a leveled stance.
*Compatibility and installation notes: Cannot be used with OEM wheel and tire; does not fit standard cab models; fits gas engines only; not compatible with vehicles equipped with adaptive ride control, composite rear leaf springs, or Super Cruise; designed for 4‑cylinder models.
| Note | Does not fit standard cab |
| Note | Fits 4 cyl. models only |
| Note | Fits gas models only |
| Submodel | 2.7L L4 Gas |
| Lift Height, inch | 1.5" |
| Submodel | Crew Cab, Double Cab |
| Drive Type | 4WD |
| Brand | Fabtech |
| Note | Can not use OEM wheel and tire |
| Box Weight | 105 lbs |
| Box Length | 35 in |
| Box Width | 15 in |
| Box Height | 8 in |
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Fitment
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2023||GMC||Sierra 1500, 2022||Chevrolet||Silverado 1500 New Model, 2023||Chevrolet||Silverado 1500, 2024||Chevrolet||Silverado 1500, 2024||GMC||Sierra 1500, 2022||GMC||Sierra 1500 New Model
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