Product Overview
GMC Sierra K1500 4WD Lift Kit with Adjustable Torsion Keys and 4-Inch Rear Blocks
This GMC Sierra K1500 lift kit pairs adjustable front torsion keys with 4-inch Gorilla steel rear blocks and nitrogen gas-charged shocks. It is listed for 1988–1998 Chevrolet/GMC Sierra and Silverado K1500 pickups with 4WD. The front lift adjusts from 1–3 inches, while the rear blocks provide 4 inches of lift.
Kit Components & Features
- Front lift: Pair of forged torsion keys, re-indexed for 1–3 inches of adjustment.
- Rear lift: Pair of 4-inch Gorilla steel blocks, tapered for pinion.
- U-bolts and hardware: Zinc-plated OEM-grade 1541 U-bolts and hardware are included.
- Shocks: Set of Doetsch Tech DT9000 nitrogen gas-charged shocks.
- Block finish: Powder-coated to help prevent rust. The listing describes the blocks as durable, saying they will not break and are guaranteed to last.
- Ride and appearance: The listing says the kit helps improve pickup appearance while maintaining a comparable factory ride.
- Warranty: Limited lifetime warranty.
- Included: Pair of forged front torsion keys, pair of 4-inch tapered rear blocks with zinc-plated OEM-grade 1541 U-bolt kit, and a set of Doetsch Tech nitrogen gas-charged shocks.
The front adjustment makes this a Sierra torsion keys lift with up to 3 inches of front lift. The 4-inch Sierra rear lift block setup pairs with the included shocks, making this a Sierra lift kit with shocks for the listed 4WD fitment. This 1–3-inch adjustable front torsion keys and 4-inch rear tapered blocks combination is intended for compatible K1500 pickups.
If you are looking to buy GMC Sierra lift kit components or comparing a Sierra torsion key lift for sale, confirm your vehicle’s year and drivetrain. This 1988–1998 GMC Sierra K1500 4WD lift kit includes rear blocks rather than shackles. It may suit shoppers looking for a Sierra 3-inch torsion lift at the front and a taller fixed rear block setup. The RTZ Sierra K1500 4WD lift kit is listed with the 4-inch rear blocks, while the RideTrendZ Sierra torsion key and block kit includes front keys and rear hardware. The shock set is Doetsch Tech DT9000 nitrogen gas shocks.
Installation & Safety
The listing describes this as a direct drop-in, bolt-on installation that requires no cutting, welding, or additional parts. An alignment is required after installation.
Inspect all parts before beginning installation. RTZ recommends using a professional installer with proper equipment to handle extreme loads and training in suspension safety. The listing says the parts are made in the USA.
Get a 5% discount at checkout. Use code "RIDETRENDZ"
Frequently Asked Questions
How much lift does this GMC Sierra 1500 4WD lift kit provide?
The front is adjustable from 1–3 inches, and the rear blocks provide 4 inches of lift.
What vehicles does this kit fit?
The listing specifies 1988–1998 Chevrolet/GMC Sierra and Silverado K1500 pickups with 4WD.
What is included in the kit?
It includes a pair of forged torsion keys, a pair of 4-inch tapered rear blocks, zinc-plated OEM-grade 1541 U-bolts and hardware, and a set of Doetsch Tech DT9000 nitrogen gas-charged shocks.
Does installation require cutting or welding?
No. The listing describes a direct drop-in, bolt-on installation with no cutting, welding, or additional parts needed. An alignment is required afterward.
Are other rear lift options available?
Compare this kit with the GMC Sierra K1500 option with 1.75-inch rear shackles or the Chevrolet Silverado K1500 kit with 2-inch rear blocks. For background on torsion keys, shocks, and lift blocks, read how a truck suspension lift kit works.
Use this listing to shop Sierra 4WD lift blocks and compare lift heights for your K1500.
