4 Inch Lift Kit from Rough Country, part 27557, for 2019-2024 Chevrolet Silverado 1500 & GMC Sierra 1500. This is the V2 Monotube Shocks, Vertex Reservoir Coilovers, Trailboss / AT4 (4.3L, 5.3L, 6.2L) configuration. Estimated install time is 8-10 hours.
GM's fourth-generation Sierra 1500 and Silverado 1500 features an impressive all-new design that's built from the ground up, with aggressive angles and head-turning stylings that fit in beautifully when transformed with Rough Country's 4in Suspension Lift.
Features
- Lifts and levels the vehicle from front to rear
- High clearance crossmember design for optimal suspension geometry
- Includes cast knuckles for extreme durability
- Retains stock track width
- No strut disassembly required
- No differential trimming required!
- 100% precision laser cut materials using the latest computer aided design process.
- Fabricated blocks are stronger and offer a longer lifespan than cast blocks.
- Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.
- Includes pre-loaded coil
What's in the box
- Front: Lifted knuckles
- Front: Front crossmember
- Front: Rear crossmember
- Front: Upper strut spacers
- Front: Lower strut spacers
- Front: Differential drop brackets
- Front: Differential skid plate
- Front: Sway-bar drop brackets
- Front: Hardware
- Rear: Fabricated lift blocks
- Rear: Brake line brackets
- Rear: U-bolts
- Rear: Hardware
Notes
- Does NOT fit GMC Denali models with Magnetic Ride Control.
- Does NOT fit 2025 models with multi-leaf springs.
- Does NOT fit models equipped with Multimatic DSSV suspension. (AT4X/ZR2)
- Does NOT fit models with two piece rear driveshaft.
- Does NOT fit 2019 "Classic" models (2018 body style)
- ONLY fit Trailboss models (Chevy)
- ONLY fits AT4 models (GMC)
- Does NOT fit standard models or other trims (GMC)
Specifications
| Part number | 27557 |
|---|---|
| Brand | Rough Country |
| Type | Suspension Lift Kits |
| Lift height | 4" |
| Configuration | V2 Monotube Shocks, Vertex Reservoir Coilovers, Trailboss / AT4 (4.3L, 5.3L, 6.2L) |
| Estimated install time | 8-10 hours |
| Tire and wheel fitment | 285/55R22 on 22x10 (-18 offset); 285/55R22 on 22x10 (-19 offset); 295/60R20 on 20x9 (-12 offset); 295/65R20 on 20x10 (-18 offset); 285/55R22 on 22x10 (-25 offset); 295/65R20 on 20x10 (-19 offset); more |
| Shipping weight | 295.5 lb |
| Instruction sheet | 921217000I: Kit Installation;GM 2007-19 Loaded Strut: Optional Strut Installation;921680017: Optional Front Vertex Installation;921699001: Optional Rear Vertex Installation |
| Fits | 2019-2024 Chevrolet Silverado 1500 & GMC Sierra 1500 |
| Manufacturer applications | 2022 Chevrolet Silverado 1500 LTD (4WD, RWD); 2019-2024 Chevrolet Silverado 1500 LT Trail Boss (4WD); 2019-2024 Chevrolet Silverado 1500 Custom Trail Boss (4WD); 2022 GMC Sierra 1500 Limited (4WD, RWD); 2019-2024 GMC Sierra 1500 AT4 (4WD) |