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ReadyLift 69-3920 2.0'' Front with 1.0'' Rear SST Lift Kit

  • Based on 176 reviews
Condition: New
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Availability: 13 left in stock
Fulfilled by Addiction4WD

Arrives Jun 18 – Jun 19
Order within 1 hour and 26 minutes
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Features

  • Fit type: Vehicle Specific

Description

ReadyLIFT customers have asked for it and we have delivered. Last fall we announced our new leveling and SST lift kit offerings for the all-new GM 1500 trucks. We specifically did not include the factory lift kit-equipped GMC AT4 and Chevy Silverado Trail Boss. The AT4/Trail Boss are factory equipped with a 2" front lift. This front lift includes a longer front shock/strut assembly. When combining a traditional leveling kit on these factory lifted trucks, several issues present themselves including binding problems with the factory control arm ball joint and contact concerns with the lower strut/CV axle assembly. The 69-3920 SST Lift Kit works with the factory 2" front lift. This kit includes a top mount strut spacer along with a pre-load spacer to limit droop and the same premium grade upper control arms now available in our 66-3921 leveling kit. OE style 3" tall cast iron rear lift blocks and rear bump stop extension cups are also included to create a true AT4/Trail Boss- specific bolt-on lift kit that provides 2" of front lift and 1" of rear lift. This new lift kit concept is similar to our successful TRD Pro Plus 2 SST Lift Kit which is also engineered specifically to work with that factory OE suspension lift. Your trust in ReadyLIFT to provide high-quality, precision engineered products is extremely important to us. You can be assured that this all-new SST lift kits are the absolutely most reliable and best performing suspension upgrade option for the AT4/Trail Boss trucks. AT4 - Max tire 305/55-20, 20x9 0 offset wheelTrail Boss - Max tire 295/65-20, 20x9 0 offset wheel

Brand: Readylift


Auto Part Position: Rear


Material: Cast Iron


Included Components: 2.0'' Front with 1.0'' Rear SST Lift Kit


Maximum Lifting Height: 2 Inches


Brand Name: Readylift


Included Components: 2.0'' Front with 1.0'' Rear SST Lift Kit


Manufacturer: ReadyLift


UPC: 804879610472


Global Trade Identification Number: 72


Automotive Fit Type: Vehicle Specific Fit


Manufacturer Part Number: 69-3920


Model Number: 69-3920


Unit Count: 1.0 Count


Item Weight: 40 Pounds


Manufacturer Warranty Description: See product page


Item Type Name: 2.0'' Front with 1.0'' Rear SST Lift Kit for GM AT4 & Trail Boss


Auto Part Position: Rear


Material Type: Cast Iron


Maximum Lifting Height: 2 Inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jun 18 – Jun 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • It’s worth it. It’s worth it.
Excellent quality parts. This is an excellent kit for the Trailboss/ AT4. It’s a piece of cake to install. Really not much to it. Do have to disassemble the front struts though. Took me just over three hours including alignment. I am a Dealer tech by trade though. I also installed Vision 388 Shadow in 20x9 and 34” Nitto Grappler G2’s. Truck looks much better now. The lift was only 1.75” in the front though, but whatever.... ... show more
Reviewed in the United States on April 11, 2021 Reviewed in the United States on April 11, 2021 by David W. Scott

  • Exactly what I wanted Exactly what I wanted
This kit fits and makes the truck look amazing. Had it professionally installed and couldn’t be happier!!!
Reviewed in the United States on November 10, 2024 Reviewed in the United States on November 10, 2024 by Ryan

  • Nice kit with upgraded components- except the U bolts Nice kit with upgraded components- except the U bolts
I'm not going to trash the review because of the U bolts. The ones in my kit did not accept the bolts cleanly, chipping paint and heating up during tightening. I had new thicker,stronger bolts fabricated. The kit overall is nice and adds a good lift. I had an 1.5" leveling kit removed and this installed with new shocks all around. An alignment followed and the ride is firmer and more stable feeling than stock. The RL site had "test" truck measurements for tire fitment. Adding 1.5" spacers with this worked just fine. 2019 Chevy Trail Boss Custom on 35x12.5x20 ... show more
Reviewed in the United States on December 8, 2024 Reviewed in the United States on December 8, 2024 by SF GIANT-49ER

  • Ready Lift on a Silverado by Ghost Off-road
Ghost off-road recommended this ready lift and 35 inch Mud Claws on my 2021 Chevrolet Silverado Trail Boss edition! I used 1 inch wheel spacers until my new wheels can be purchased but rides amazing and very happy! They heated my inner finder liner and reshaped it so no rubbing in any angle! I do take it off road and my guys at Ghost Off-road sent me In right direction with Ready Lift! Easy to install and best value in this price range! ... show more
Reviewed in the United States on August 10, 2022 by Jason

  • Ride quality
The kit fit perfect. There were no issues with the rude quality of the tru k after installation. Looks awesome!
Reviewed in the United States on May 15, 2025 by Jared

  • Big Improvement!
Worked perfectly on my 2024 Silverado Trail Boss. Decided to let professional shop install due to recent surgery.
Reviewed in the United States on December 3, 2025 by Kris

  • Ready lift 2”
Didn’t lift my truck 2” only lift is 1 1/2 that totally not good after all process needs to be done to install this kit not happy at all
Reviewed in the United States on February 20, 2026 by Amazon Customer

  • Perfect
Easy install if you are mechanically inclined. Have a couple thousands miles on the kit and still loving it
Reviewed in the United States on April 25, 2025 by Aaron Stephens

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