Vehicle-specific SST lift kit engineered to work with the factory 2" front lift on AT4 and Trail Boss trucks. This bolt-on kit provides front and rear lift while addressing clearance and suspension geometry issues that occur when combining a traditional leveling kit with an OE suspension lift.
| Applications | Front | Rear |
| AT4 | +2.0" | +1.0" |
| Trail Boss | +2.0" | +1.0" |
*Use of the Auto 4 HI feature is not recommended. This kit is NOT compatible with vehicles equipped with rear composite mono-leaf springs (the mono-leaf is identifiable by a round/circular U-bolt around the top of the leaf spring). The kit only works with vehicles equipped with traditional steel leaf springs identified by square U-bolts. Not compatible with Sierra AT4X or Silverado ZR2 Edition. These kits will not fit late model 2024 or 2025 applications that have round U-bolts; using U-bolt part number 67-35120UB will allow this kit to fit 2025 applications.
| Note | This kit only works with vehicle equipped with traditional steel leaf springs identified by square U-bolts |
| Note | These will not fit late model 2024 or 2025 applications that have round U-bolts |
| Note | Not compatible with Sierra AT4X or Silverado ZR2 Edition |
| Submodel | AT4, Trail Boss |
| Lift Height, inch | 2" |
| Drive Type | 4WD |
| Brand | ReadyLIFT |
| Note | This GM 1500 kit is NOT COMPATIBLE with vehicles equipped with rear composite mono-leaf springs |
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Fitment
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2020||Chevrolet||Silverado 1500, 2020||GMC||Sierra 1500, 2021||Chevrolet||Silverado 1500, 2021||GMC||Sierra 1500, 2019||Chevrolet||Silverado 1500 New Model, 2019||GMC||Sierra 1500 New Model, 2022||Chevrolet||Silverado 1500, 2022||GMC||Sierra 1500, 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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