4 Inch Lift Kit For 25-Up Silverado/Sierra 1500 Custom Trail Boss/LT Trail Bass/AT4 4WD 3 Inch Rear Block Spacer Front Nitro Series Rear Shock - Zone Offroad - ZONC80N

Take your Chevy Trail Boss / GMC AT4 to new heights with this 4 inch lift kit from Zone Offroad. This kit nets 4 inch over stock, so due to the 2 inch factory lift will sit similar to a standard truck with 6 inch 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 inch tires.


Features and Benefits


Maintains on-road handling while improving off-road 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.

Optionl FOX Adventure Series 2.0 rear shocks.


Recommended Tires and Wheels


(Trimming may be required)

35 x 12.5 with 18 x 9 and 4.5 in. Backspace

35 x 12.5 with 22 x 9 and 4.5 in. Backspace


Rear Shock Option


Nitro Series

Nitrogen-charged

Twin-tube design

10-stage velocity-sensitive valving

Dual-welded ends for increased strength

Self-lubricating seals

Black powder coat finish


Notes:


All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper.

Requires frame bracket modification.

Will Not work with ZR2 and AT4X models.

Fits Gas and Diesel Models.

Will not fit Adaptive Ride Control (ARC) equipped models.

This system has not been tested on models equipped with Super Cruise.


Optional front skid plate will not work with 2.7L Turbo or Diesel Engines.


Specs


Front Lift Method: Cross Member and Strut Spacer

Front Lift Height: 4 inch

Rear Lift Method: Block

Rear Lift Height: 3 inch

Shocks Included: Yes

Lift Height: 4-5.5 inch


Kit Components

ZON7759 2 Nitro - 29.80 x 17.60 x 2-3/8 - EB1/EB1


ZONC2405 1 2025 Chevy TB/GMC AT4 1500 4 Inch Front Box Kit


ZONC2662 1 2019-2024 Chevy/GMC 1500 Front Box Kit


ZONC2672 1 2019-2024 Chevy/GMC 1500 Knuckle Box Kit 1 w/UCA (4 Inch and 6 Inch Compatible)


ZONC2673 1 2019-2024 Chevy/GMC 1500 Knuckle Box Kit 2 w/UCA (4 Inch and 6 Inch Compatible)