Fabtech K1137 6-Inch Lift Kit for 2019-2023 Sierra 1500 Denali 4WD with Factory Adaptive Ride Control
Fabtech
Fabtech K1137 6-Inch Lift Kit for 2019-2023 Sierra 1500 Denali 4WD with Factory Adaptive Ride Control
Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.
Eligible returns within 30 days of receipt. Items must be unused, with tags and original packaging. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.
One complete Fabtech K1137 6-inch IFS suspension lift system.
Vehicle application
For 2019-2023 new-body GMC Sierra 1500 Denali pickups, 4WD, crew cab with short bed, a gasoline V8 engine, factory Adaptive Ride Control and steel rear leaf springs.
Excludes 2WD, AWD, diesel, four-cylinder engines, other cab or bed configurations, composite rear leaf springs, vehicles equipped with Super Cruise and 2019 Sierra Limited models. Chevrolet trucks, other GMC trims, Denali Ultimate, factory AutoRide and 2024 applications are not covered by this listing.
Package
Includes one FTS21250 Component Box 1 and one FTS21251 Component Box 2. These provide front and rear crossmembers, driver and passenger FTS20840D/FTS20840P steering knuckles, differential relocation brackets and skid plate, two outer tie-rod ends, two FT20664 axle spacers, sway-bar brackets, rear bump-stop spacers, brake-line brackets, two FTBK5 5-inch rear blocks, four FT1500U-3 rear U-bolts and installation hardware.
Also includes one FTS21265 6-inch Adaptive Ride Control Shock Extension Kit with front body brackets, front shock extensions and lower mounts, bottom plates, two FT20690BK rear shock extension brackets, bushings and hardware. The factory Adaptive Ride Control front coilovers and rear shocks are retained; replacement shock absorbers are not included.
The complete system provides 6 inches of lift; the rear blocks are 5 inches and replace the factory blocks.
Wheels and installation
Aftermarket wheels are required; factory wheels and tires cannot be used. Fabtech lists 35/12.50R18 or 295/70R18 tires on 18x9 wheels, or 35/12.50R20 or 295/65R20 tires on 20x9 wheels, each with 5-inch backspacing and minor trimming. Wheels and tires are not included; confirm clearance on the exact vehicle.
Professional installation and alignment are required. Read the Fabtech FT21250 instructions and FT21265 ARC instructions and the instructions supplied with the exact shock package before ordering and installation.
WARNING: Cancer and Reproductive Harm-www.P65Warnings.ca.gov.
Your vehicle
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Manufacturer & part identification
Fabtech
| Option | SKU / part reference |
|---|---|
| Standard | K1137 |
Vehicle compatibility
Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.
Request fitment help →Installation & specifications
Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.
Shipping expectations
Processing and delivery vary by product, supplier and destination. Contact us to confirm timing for your part before planning an installation.
Shipping & delivery informationManufacturer warranty
Coverage and exclusions vary by manufacturer and part. Review the supplied product documentation or ask us for the applicable terms.
Warranty information