FEATURED BRAND = COVERKING CHECK OUT COVERKING NOW

Auto Barn
Est. 1957
Superlift

Superlift 19-20 GM 1500 AT4/Trailboss 4in Lift Kit Component Box - Sway bar/Diff Drop/Strut Spacers

$249.99

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2019-2020 GMC Sierra 1500 AT4/Trailboss. This Superlift component box adds sway bar, diff drop, and strut spacers for a 4-inch lift.

Key Features

  • Fits 2019-2020 GMC Sierra 1500 AT4 and Trail Boss 4WD models.
  • This is a component box for a 4-inch lift kit.
  • Includes sway bar extensions.
  • Includes differential drop brackets.
  • Includes strut spacers.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

If you're looking to lift your 2019-2020 GMC Sierra 1500 AT4 or Trail Boss, this Superlift component box is a key part of achieving that 4-inch increase in ride height. It specifically includes the necessary sway bar extensions, differential drop brackets, and strut spacers to make that lift happen up front.

Superlift has been around since 1975, and they build their kits with the understanding that most trucks spend their time on the road. This means you get the off-road capability you want without sacrificing on-road comfort and handling. This component box is designed to integrate with their 6-inch lift kit system, ensuring all the pieces work together for a solid installation and reliable performance.

Specifications

Brand
Superlift
Manufacturer Part #
3603
UPC
804260106201

Frequently Asked Questions

Superlift 19-20 GM 1500 AT4/Trailboss 4in Lift Kit Component Box - Sway bar/Diff Drop/Strut Spacers

$249.99