--- product_id: 181590508 title: "ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921" brand: "readylift" price: "3774.47 DT" currency: TND in_stock: true reviews_count: 10 category: "Readylift" url: https://www.desertcart.tn/products/181590508-readylift-suspension-rl-1-75-leveling-kit-66-3921 store_origin: TN region: Tunisia --- # 1.75'' precise front lift Maintenance-free Terrain Control Tech bushings Heavy-duty steel construction ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921 **Brand:** readylift **Price:** 3774.47 DT **Availability:** βœ… In Stock ## Summary > πŸš™ Elevate your ride, dominate the road with precision and style! ## Quick Answers - **What is this?** ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921 by readylift - **How much does it cost?** 3774.47 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/181590508-readylift-suspension-rl-1-75-leveling-kit-66-3921) ## Best For - readylift enthusiasts ## Why This Product - Trusted readylift brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Custom Fit for GM 1500:** Engineered specifically for 2019+ GM AT4 and Trail Boss models. - β€’ **Max Tire Compatibility:** Supports up to 295/65-20 tires without clearance issuesβ€”upgrade your stance without compromise. - β€’ **Perfect Front-Level Stance:** Eliminates factory rake for a commanding, balanced look. - β€’ **Maintenance-Free Pivot Bushings:** Terrain Control Technology bushings with side-biter washers keep your alignment locked in. - β€’ **Durable Tubular Upper Control Arms:** Corrected ball joint angles with replaceable heavy-duty joints for lasting performance. ## Overview The ReadyLift 1.75'' Leveling Kit (model 66-3921) is a vehicle-specific front suspension upgrade designed for 2019+ GM 1500 trucks, including AT4 and Trail Boss models. Crafted from heavy-duty steel, it provides a precise lift that levels your truck’s stance without interfering with factory suspension geometry. Featuring tubular upper control arms with improved ball joint angles and maintenance-free Terrain Control Technology bushings, this kit ensures durability, improved alignment retention, and compatibility with larger tires up to 295/65-20. Perfect for professionals seeking a sleek, balanced look with uncompromised performance. ## Description 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. 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 Review: Great Look - Installed this on 2023 GMC AT4 and it makes the truck look great, finally leveled out the wheel wells. Product is well built and instructions were easy to understand. All hardware was included and it looks good Review: Great product - Made my truck sit level slight rake in back 2026 trailboss lt stock 2 inch lift plus this 1.75 ## Features - Fit type: Vehicle Specific ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07XD7YXML | | Auto Part Position | Front | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #163,213 in Automotive ( See Top 100 in Automotive ) #218 in Automobile Chassis Body & Suspension Lift Kits | | Brand | Readylift | | Brand Name | Readylift | | Customer Reviews | 4.6 out of 5 stars 135 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 Part Number | 66-3921 | | Manufacturer Warranty Description | See product page | | Material | Steel | | Material Type | Steel | | Maximum Lifting Height | 2 inches | | Model Number | 66-3921 | | Number of Items | 1 | | Set Name | ReadyLIFT 1.75" Front Leveling Lift Kit | | UPC | 804879610489 | | Unit Count | 1 Count | ## Product Details - **Auto Part Position:** Front - **Brand:** Readylift - **Included Components:** 1.75'' Leveling Kit - **Material:** Alloy Steel - **Maximum Lifting Height:** 2 Inches ## Images ![ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921 - Image 1](https://m.media-amazon.com/images/I/71BeRqEojnL.jpg) ![ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921 - Image 2](https://m.media-amazon.com/images/I/31DM-aA7CPL.jpg) ![ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921 - Image 3](https://m.media-amazon.com/images/I/61aY3l7QFwL.jpg) ![ReadyLift Suspension RL 1.75'' LEVELING KIT - 66-3921 - Image 4](https://m.media-amazon.com/images/I/71Jkv2--kuL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Look *by J***C on April 27, 2026* Installed this on 2023 GMC AT4 and it makes the truck look great, finally leveled out the wheel wells. Product is well built and instructions were easy to understand. All hardware was included and it looks good ### ⭐⭐⭐⭐⭐ Great product *by D***K on July 19, 2026* Made my truck sit level slight rake in back 2026 trailboss lt stock 2 inch lift plus this 1.75 ### ⭐⭐⭐⭐⭐ Does the trick waiting on 35s!!! *by P***T on May 12, 2026* Does the trick, waiting on 35s!! ## Frequently Bought Together - ReadyLift 66-3921 1.75'' Leveling Kit - Rough Country Mud Flap Delete for GMC Sierra 1500 2WD/4WD (2019-2025 & Classic) - Front & Rear (Set of 4) - Dynofit 1.5 inch 6x5.5 Wheel Spacers for Chevy Silverado GMC Sierra 1500 Yukon XL Avalanche,4pcs 6x139.7 M14x1.5 Studs 78.1mm Bore Hubcentric Forged Spacer for Tahoe Escalade K1500 Suburban --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/181590508-readylift-suspension-rl-1-75-leveling-kit-66-3921](https://www.desertcart.tn/products/181590508-readylift-suspension-rl-1-75-leveling-kit-66-3921) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-27*