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Description
2025-2026 GM 1500 Trail Boss / AT4 4" Big Lift Kit (44-35425)The ReadyLIFT 4 inch Big Lift Kit is a new offering engineered for the 2025 Chevy Silverado Trail Boss and GMC AT4 1500 trucks, delivering incredible ride quality and superior handling performance. This kit is built with the very best of ReadyLIFT engineering, featuring heavy duty components such as boxed steel front and rear cross members and a full width front skid plate constructed of thick 3 16 inch plate steel. The result of months of development
The ReadyLIFT 4-inch Big Lift Kit is a new offering engineered for the 2025 Chevy Silverado Trail Boss and GMC AT4 1500 trucks, delivering incredible ride quality and superior handling performance. This kit is built with the very best of ReadyLIFT engineering, featuring heavy-duty components such as boxed steel front and rear cross members and a full-width front skid plate constructed of thick 3/16-inch plate steel. The result of months of development and thousands of miles of road and trail testing, this 4-inch lift kit is proven to make these GM 1500 trucks ride better than stock.
Features
- Delivers 4 inches of lift.
- Maintains the factory ride and handling characteristics.
- Features heavy-duty angled and offset top mount strut extensions and rear shock extensions.
- Includes heavy-duty cast iron lift knuckles engineered to retain factory-quality geometry.
- Utilizes boxed steel front and rear cross members and a full-width front skid plate made from 3/16-inch plate steel.
- Comes with 1/4-inch boxed plate steel differential drop brackets with a double gusset and boxed center rib.
- Includes fabricated steel rear blocks with integrated bump stop landings.
- Backed by the ReadyGuard Powertrain Warranty.
Notes
- Use of the Auto 4 Hi feature is not recommended.
- Vehicle alignment and headlamp aim must be checked and adjusted after product installation.
- If the vehicle is equipped with Advanced Driver Assistance Systems (ADAS), these systems may require recalibration.
- Estimated installation time is 10 hours plus or minus 1 hour, excluding alignment and wheel/tire assembly.
- Do not recommend an 18-inch wheel with 0mm offset or higher due to fitment issues; only a -12mm offset works for an 18-inch wheel.
Compatibility Notes
- Engineered for 2025 Chevy Silverado Trail Boss and GMC AT4 1500 trucks.
- Not for use on Diesel motor applications.
- Not compatible with rear composite mono-leaf springs; only works with vehicles equipped with traditional steel leaf springs.
- Single Cab configuration fitment and drivability has not been validated.
Tire Fitment
- Recommended maximum tire with no trimming is 35x12.50 on a 20x9 wheel with 0 offset.
- With trimming, fitment is possible for up to 35x12.50 or 325/60R20 tires on a 20x10 wheel with -18 offset.
- Trimming requirements include the front valance, front felt liner edge, rear felt liner edge, and front-rear well edge mud flap.
Specs
- Lift Height: 4 inches.
- Cross Member Material: 3/16-inch plate steel.
- Differential Drop Material: 1/4-inch boxed plate steel.
- Kit Contents: Front/Rear Cross Members, Front Skid Plate, Lift Knuckles, Strut Extensions, Rear Shock Extensions, Differential Drop Brackets, Sway Bar Drop Brackets, Fabricated Rear Blocks, and installation hardware.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Nice and Elegant.
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Glided), Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Glided)
Color looks great, material is good quality and fits most of my items. It makes my items look neat and organized. Price is a bit high but worth it in my opinion.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Quite nice and very functional
Size: 7.7" x 7.7" x 1.7", Color: Grey (Metal Silvered), Size: 7.7" x 7.7" x 1.7", Color: Grey (Metal Silvered)
Elegant and substantial - this valet catch all for your night stand or dresser is quite nice and very sophisticated. Sleek and soft brushed suede like material. It was packed well, and is quite nice to keep miscellaneous items corralled together. I’m very pleased and would recommend.
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Reviewed in the United States on February 15, 2025
★★★★★ 5
Perfect size, high quality
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Silvered)
I had a previous catch all tray that I bought on amazon, it used buttons on the 4 corners to turn a flat cardboard into a tray. Over time, the catch all tray got filled up, not just with a wallet, keys and eyeglasses but eventually business cards and other knick knacks. With all the items inside the tray, sometimes the buttons would start to pop out. It wasn't awful, more of an annoyance. But it was time for me to find a more durable tray. I looked on amazon and added 6 different trays that had "potential" into my shopping cart. Then I carefully evaluated each one and deleted them out of my cart until there was only one left. Some had multiple compartments. Some were larger than this one. I felt the ones with compartments would limit my ability to put the things I want in there. Also, I didn't want it so big that it took up too much desk space. Ultimately, I felt this was the perfect size. I'm extremely happy with it, the quality is really nice and it looks and feels durable. No more loose buttons and spilled knick knacks.
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Reviewed in the United States on October 14, 2024
★★★★★ 5
Keeps clutter away
Size: 7.7" x 7.7" x 1.7", Color: Black (Metal Silvered)
This works great to corral all my notes I write on post its or small notes. Keeping them hidden from the desk top b/c or the depth but still visible to me. Much better than keeping on the plotter. Looks great in quality .
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Attractive, Simple, And Well-Made
Size: 7.7" x 7.7" x 1.7", Color: Orange (Metal Glided)
I use this as a "catchall". A place to stash things like my wallet and keys when I enter the door, so that I don't use them (I had been prone to that!). It serves it's purpose well. It's both sturdy and attractive, and a good size for a "catchall". Recommended for those like me who need such things.
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Reviewed in the United States on April 8, 2024