12457 Suspension Knuckle Kit
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ROUGH COUNTRYPART NUMBER: 834-12457

12457 Suspension Knuckle Kit

$2,02995
Truck Freight
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

GM
3.5in GM Suspension Lift
  • Knuckle Kit w/ Vertex and V2 Shocks
  • 2014-2018 1500 PU 4wd
  • Cast Steel

    Rough Country 12457 Features:

    If you're looking for not-too-tall and not-too-small, Rough Country's 3.5in Lifted Knuckle kit is the perfect option for increased ground clearance and aggressive good looks! This all-inclusive kit features everything you need for a stunning, new appearance and enhanced off-road action, with a host of features designed to promote an incredible suspension geometry and ride quality! Rough Country's 3.5-inch kit features a set of lifted knuckles allowing you to lift your vehicle in the best possible way. Other kits only replace your upper control arms which can leave your CV boot prone to damage by making contact with the lower arms. Rough Country's innovative, lifted knuckle design gives you plenty of clearance to keep your CV out of harm's way while promoting a better upper arm ball joint angle and better ride quality to boot.This kit includes Rough Country's premium V2 Monotube shocks! These 10-stage variable valving, high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. Also included in this kit are a set of fabricated rear blocks that are stronger and offer a longer lifespan than cast blocks while being less susceptible to damage and the environment.Includes a Lifetime Replacement Guarantee!

    • Levels front with rear; Fabricated lift blocks are stronger and offer a longer lifespan than cast blocks; Features application valved V2 Monotube series shock absorbers which offer the best in balanced performance for on and off-road use
    • Front Kit Components: Vertex adjustable coilovers Lifted knuckles Differential drop spacers Differential skid plate Hardware
    • Install Time: 4-5 hours
    • Rear Kit Components: 3in fabricated lift blocks U-bolts Hardware
    • Tire & Wheel Size Combinations: 2014-2018:4WD:Chevy:Silverado 1500;2014-2018:4WD:GMC:Sierra 1500
  • Rough Country 12457 Fitment Notes:

    • Requires cutting and grinding If using factory wheels, a 0.25in wheel spacer is required. #1065 Does NOT work with aftermarket control arms Does NOT fit models with stock Aluminum or Stamped Steel control arms. Does NOT fit GMC Denali models with Magnetic Ride Control. New lift block replaces the factory equipped block. If truck is equipped with a mass damper on the front differential, the damper must be removed.
    Part TypeSuspension Lift Kit
    BrandROUGH COUNTRY
    Package Width160.15
    Weight160.15 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part Number12457
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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