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🚙 Elevate your ride, dominate the streets with precision and style!
The ReadyLift 66-3921 1.75'' Leveling Kit is a vehicle-specific front suspension upgrade for GM 1500 trucks, including AT4 and Trail Boss models. Crafted from durable alloy steel, it provides a precise 1.75-inch lift that levels the truck front-to-back without compromising factory suspension geometry. Featuring heavy-duty tubular upper control arms with advanced Terrain Control Technology bushings, this kit enhances alignment retention and supports larger tire upgrades, delivering both rugged performance and a commanding aesthetic.
| ASIN | B07XD7YXML |
| Auto Part Position | Front |
| Best Sellers Rank | #101,586 in Automotive ( See Top 100 in Automotive ) #146 in Automobile Chassis Body & Suspension Lift Kits |
| Brand | Readylift |
| Brand Name | Readylift |
| Customer Reviews | 4.6 out of 5 stars 125 Reviews |
| Global Trade Identification Number | 00804879610489 |
| Included Components | 1.75'' Leveling Kit |
| Item Type Name | 1.75'' Leveling Kit |
| Item Weight | 24 Pounds |
| Manufacturer | ReadyLift |
| Manufacturer Warranty Description | See product page |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Maximum Lifting Height | 2 Inches |
| UPC | 804879610489 |
B**R
A must have for all Trail Boss/AT4 owners!
A must for any Trail boss/AT4 owner. This kit lifts the front of the vehicle 1.5 inches and the vehicle sits completely level from front to back. On top of that, I was able to upgrade to a bigger tire. I’m now using a 305/60/20 with 20x9 inch wheels with a 0mm offset. Fitting 35s in the truck with very minimal fender trimming is a big win. As for the parts themselves, extremely quality and much more durable than the factory control arms. The ride quality is not jeopardized at all, in fact, it seems to make the steering lighter. The install was very easy, but I would recommend a partner to help!
K**D
Great leveling kit and great price
This 1.75” readylift leveling kit fit my 2021 Silverado perfectly. All parts were accounted for and it installed with ease. I received it very quickly and it gave my truck a totally different look.
A**N
Perfect for AT4
Perfect for my 2024 GMC AT4. Got a great deal on Amazon when ready lift site was out of stock, was $120 cheaper than manufacture as well. Very satisfied!
L**S
Lift kit
Well made and perfect fit. The best leveling kit out in the market
D**N
2021 GMC Sierra AT4
Came with everything needed and an easy to read instruction book with pictures. Well built and everything fit and did what it was said to. The truck now looks a lot better and the rear is only 3/4 inch higher than the front now.
B**.
Beware of denting, scratches, and paint chips on the control arm
A good product but I am being charged a restock fee for an item that showed up defective at my door. The packaging on this item is not good. The spacer bounces around on top of the control arm during shipping and causes dents, scratches and the paint to chip! This is unacceptable and I would appreciate you making this right. I should not be charged a restock fee, period.
J**H
Fits 2026 LT Trail Boss
No issues with install, it’s exactly as advertised.
B**E
Exactly what I wanted with 35x12.50 R18s
I’m posting this just because I couldn’t find anything when I looked before buying this lift. I have a 2020 trial boss, I bought this kit installed it, and was able to put 35x12.50 R18s on it with zero rubbing. BUT I had to install a 1/4 spacer on both sides and had to do a “mudflap delete”. But again it fits and I have zero rubbing and it turned out exactly how I wanted it.
Trustpilot
1 week ago
2 days ago