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Rough Country 4in Vertex Coilovers Lift Kit - Front and Rear - Silverado/Sierra 1500 Trail Boss/AT4

Rough Country
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RUC-27557
Part #:RUC-27557
Availability:In Stock
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ONLY Fits Trail Boss Or AT4 Models. Does NOT Fit Models With Two-Piece Rear Driveshaft Or Composite Leaf Springs. Does NOT Fit Factory Wheels. Requires Cutting And Drilling. 20in Or Larger Aftermarket Wheels Are Required. Wheels Must Feature 4.5in Backspacing Fit. Please Test Fit Wheels Prior To Installation. Must Verify Compatibility Of The Aftermarket Wheel With The 2019 And Up GMC Larger Brake Caliper System. Some Aftermarket Wheels May Require 0.25in Wheel Spacer (1065). Lift Height: 4in; Position: Front And Rear
Installation Instructions: Click Here
Price: $2,859.95
  • 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
  • 8-Stage Adjustable Damping. Monotube Design.
  • Nitrogen-charged. 3-Stage Seal System.
  • Massive 2.5in Piston. 22mm Chrome-Hardened Piston Rod.
  • Heat-Treated, Alloy Bearing. Honed Steel Body.
  • 3-year Manufacturer's Warranty

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.

This kit lifts and levels your vehicle for a commanding stance and enough clearance to run 35x12.50 tires on 10in wide wheels. Rough Country has engineered this kit to provide optimal suspension geometry while retaining the factory ride quality, giving you enhanced off-road capabilities without sacrificing the handling and smooth ride that makes this truck so impressive.

Rough Country’s 4in Suspension lift retains the stock track width, allowing for up to a 10in wide wheel with 4.5in backspacing. Each kit includes front and rear crossmembers and a skid plate for enhanced chassis strength as well as cast steel knuckles for incredible durability and performance. Includes Rough Country’s Lifetime Replacement Guarantee!



California Residents: Prop 65 Warning

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Rough Country 4in Vertex Coilovers Lift Kit - Front and Rear - Silverado/Sierra 1500 Trail Boss/AT4 fits the following vehicle(s):

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