SKU: 3314445519

2019-2023 GMC AT4 And Chevy Trail Boss - 1.75'' Leveling Kit

Sale price$224.97 Regular price$249.97
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Description

2019-2023 GMC AT4 And Chevy Trail Boss - 1.75'' Leveling KitFits 2019, 2020, 2021, 2022, 2023 ReadyLIFT customers have asked for it and we have delivered. In fall of 2018 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

Fits 2019, 2020, 2021, 2022, 2023�

ReadyLIFT customers have asked for it and we have delivered. In fall of 2018 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 ReadyLIFT 66-3921 1.75" leveling kit is similar to our popular 66-3086 leveling kit for pre-2019 trucks. The 66-3921 leveling kit provides required amount of lift without causing conflict with the factory strut geometry and clearances. In light of the factory upper control arm's lack of dynamic range when the AT4/Trail Boss truck is further lifted, this leveling kit includes our popular tubular upper control arms with corrected ball joint cup angles, heavy-duty replaceable ball joints and out new Terrain Control Technology (TCT) maintenance-free pivot bushings with side-biter washers to improve alignment retention., , Note: AT4 and Trail Boss do not fit the same size tire. This is due to the difference in front fender opening design. NOTE: Not compatible with Sierra AT4X or Silverado ZR2 Edition. 66-3921 Leveling Kit: AT4 - Max tire 275/60-20, 20x9 0 offset wheel Trail Boss - Max tire 295/65-20, 20x9 0 offset wheel

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Exchange/Return Notes
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SKU: 3314445519

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4.9 ★★★★★
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mfdumont
Massapequa, US
★★★★★ 5
Great price and perfect fit.
Size: 26"+20"+12"B(U/J Hook)
All three blades worked great for my 2023 Grand Cherokee. Well worth the money! Make sure you know how to take the old blades off! I had issues with the rear blade, but finally worked it out. The rear blade is 12 inches long, but the factory blade was 10 inches, presumably to clear the roof camera. FYI the 12 inch blade works fine.
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Reviewed in the United States on April 24, 2026
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Tom C.
Lexington, US
★★★★★ 5
Easy Install and Skip Free
Size: 19"+18"+10"(U/J Hook)
This is a good kit - the second one I bought for a different car. Wipers seem to wipe ok. That is if you first remove the little blade guards that come with each wiper, just like the ice skaters use for their Olympic level blades. And having all three blades (two front and one back) ordered specifically to fit the car, I didn't have to guess and take multiple trips to AutoZone or Advance or O'Riellys. Sometimes the reviewer bot likes to know about some specifics as well. So . . . these fight a great battle to resist rain. And with a lever inside the car, these wipers are easy to use once installed. They are really fast when they slide out of the box. Having had some cars where the wipers fell off, I can attest to the safety that any wiper gives the driver, regardless of it's durability or speed. So I look forward to the safety these wipers will afford over having metal arms scratching across the windshield like fingernails on a chalk board.
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Reviewed in the United States on February 22, 2026
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scott thomas
Cuba, US
★★★★★ 5
Quality Wipers
Size: Combo Pack (23" & 19"), Style: Top Lock Narrow
These Bosch Aerotwin wipers are a perfect fit for my 2020 Audi Q5 and work exactly as expected. Installation was quick and straightforward, and they snapped right into place with no issues. They wipe smoothly and quietly, leaving the windshield crystal clear even during heavy rain. Performance feels very close to OEM quality—no streaking, no skipping, just consistent and reliable cleaning. They also hold up well at highway speeds without lifting or making noise. Overall, a great upgrade or replacement for the Q5. Highly recommend if you want dependable, factory-style performance without paying dealership prices.
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Reviewed in the United States on May 17, 2026
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Jean Paul
Boise, US
★★★★★ 5
Perfect Fit for Volvo XC90
Size: Combo Pack (23" & 19"), Style: Top Lock Narrow
These Bosch Aerotwin wiper blades fit my 2021 Volvo XC90 Inscription perfectly. Installation was quick and straightforward, and they perform exceptionally well. They provide a smooth, streak-free wipe even in heavy rain, and operate quietly without chatter. The build quality feels premium and durable. Overall, a great upgrade that delivers excellent visibility and reliability in all conditions.
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Reviewed in the United States on April 11, 2026
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anthony f. san felippo
Fort Morgan, US
★★★★★ 5
Great Product
Size: Combo Pack (26" & 20"), Style: Top Lock Narrow
Fits my 2022 Tesla Model S Plaid perfectly! Easy to install and cheaper than going through Tesla
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Reviewed in the United States on May 5, 2026

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