2019-21 Silverado/Sierra 1500 Trailboss/AT4 4 inch Lift kit with upper arms

2019-21 Silverado/Sierra 1500 Trailboss/AT4 Zone Offroad 4 inch Lift kit with upper arms

ZON:C69N
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Zone Offroad Lift Kit

Normally ships within 48 hours

IMPORTANT NOTES
17" wheels with 4.5" backspacing should be test fit prior to mounting the tire to ensure proper clearance to the steering knuckle/tie rod.
All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper.
Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference, stock 20" wheels can be reinstalled.
Requires frame bracket modification.
Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted in a stock condition.
Fits Gas and Diesel Models. Will not fit Adaptive Ride Control (ARC) equipped models.

Tire and Wheel Fitment:
Chevy:
33 x 12.50 on 17x8, 17x9 w/ 4.5" BS
33 x 12.50 on 20x9, 22x9 w/ 4.5-6.25" BS
35 x 12.50 on 20x9, 22x9 w/ 5.5-6.25" BS
37 x 12.50 on 20x9, 22x9 w/ 5.5" BS
GMC:
295/65 on 17x8, 17x9 w/ 4.5" BS
295/60 on 20x9 w/ 4.5-6.25" BS
35 x 12.50 on 20x9, 22x9 w/ 5.5-6.25" BS

Take your Chevy Trail Boss / GMC AT4  to new heights with this 4" lift kit from Zone Offroad. This kit nets 4" over stock, so due to the 2" factory lift wil lsit similar to a standard truck with 6" of lift. Kits include everything needed from high strength crossmembers and steering knuckles to strut spacers, upper control arms and differential relocation brackets to maintain driveline angles. Get the look, performance, and capability your truck deserves with clearance for up to 35" tires.
QUICK SPECSFront Lift Height 4"
Rear Lift Height 3"
Material Steel Plate
Front Lift Method Knuckle & Strut Spacer
Rear Lift Method Block Kit
Lift Type Lift Kit
Wheel Size See Notes
Back Spacing See Notes
Max Tire Size See Notes
Is Adjustable No
Finish Powdercoat
Metal Cutting Required Yes
Accommodates Factory Wheels See Notes
Welding Required No

FEATURES
Maintains on-road handling while improving offroad performance

Heavy duty crossmembers and skid plates for protection
New steering knuckles add strength and allow ESC system compatibility
Top mounted front strut spacer retains factory ride quality Adventure Series upper control arms for additional strength and durability
Allows fitment of 35-37" tires