Rough Country 3.5in Knuckle Lift Kit for 2011-2019 GM 2500HD/3500HD

Take your workhorse to the next level with Rough Country's 3.5" Knuckle Lift kit. Rough Country's 3.5" Knuckle Kit provides an improved ground clearance and is designed for on or off-road driving. This suspension offers Rough Country's full lineup of shocks ranging from our N3 series to Vertex adjustable coil-overs.

This suspension kit combines the use of durable steel knuckles and forged upper control arms to reduce cv angles and ball joint angles. Featuring a set of forged torsion bar keys that offer uncompromised strength and rigidity gaining lift height is no issue. Utilizing our forged upper control arms and differential drop spacers this kit allows you to retain factory-like geometry and provides enough clearance to run 33" tires with appropriate wheel backspacing.

With no cutting or drilling required to install, installation couldn't be easier. With an estimated timeframe of 4-6 hours this full kit can be installed at home using standard tools and can be completed efficiently and quickly!

Rough Country's 3.5" Knuckle Kit is backed with a lifetime replacement warranty towards manufacturer defects. As such, the product is protected from structural and workmanship damage after the date of purchase. With our industry-leading warranty give yourself peace of mind when using Rough Country's Suspension products!

Features

• Easy bolt-on installation
• No cutting, drilling or welding
• Increased ground clearance
• Levels the front with the rear of the vehicle
• Torsion bar keys are forged for uncompromised strength
• Keys are indexed to not stress OE components
• Knuckles help reduce possible CV bind
• Upper control arms help maintain factory-like geometry while keeping a full range of motion
• Upper control arms feature OEM style Clevite rubber bushings

Technical Notes

• Install Time: 4-6 hours
• Does NOT fit models with rear overload springs
• Does NOT fit models with Magnetic Ride Control
• Does NOT fit dually models

Optional N3 Shocks

• 10-Stage Variable Valving
• High Pressure Nitrogen Charged
• 35mm Piston
• Chromed Hardened 18mm Piston Rod
• 36kN Tensile Strength
• Spring Loaded Piston Rod Seal
• 3-year Limited Warranty

Optional V2 Monotube Shocks

• Incredible ride quality & performance
• Monotube design
• Nitrogen-charged
• 46mm high-flow piston
• Mounts inverted
• 36kN Tensile Strength
• 3-year Manufacturer's Warranty

Optional Vertex Shocks

• 8-Stage Adjustable Damping
• Monotube Design
• Nitrogen-Charged
• Massive 2.5in Piston
• 3-Stage Seal System
• Heat-Treated, Alloy Bearing
• 3-year Manufacturer's Warranty