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🧾 Overview
The ReadyLIFT 4" SST Lift Kit is a complete suspension upgrade designed specifically for 2021+ Ford Bronco base-model platforms, delivering aggressive lift height, improved suspension geometry, and increased off-road capability—without sacrificing ride quality.
This system provides 4 inches of lift, allowing clearance for up to 37" tires (38" with trimming) while maintaining near-factory ride characteristics.
Unlike basic spacer kits, this SST system includes heavy-duty tubular upper control arms with high-angle ball joints, ensuring proper alignment and improved articulation at increased ride height.
Built with billet aluminum spacers, preload spacers, and geometry correction components, this kit is engineered for durability, performance, and long-term reliability—making it ideal for serious Bronco builds.
✔ 4" lift for aggressive stance and ground clearance
✔ Supports up to 37" tires (38" with trimming)
✔ Includes heavy-duty upper control arms with high-angle ball joints
✔ Maintains factory ride quality and drivability
✔ 100% bolt-on installation with no cutting required
🛠 Installation
- 100% bolt-on installation using factory mounting locations.
- No cutting or permanent modifications required.
- Estimated install time: ~5–7 hours
📌 Specs
- Maximum SST Lift Height – Provides a full 4" lift for increased clearance and aggressive stance.
- Heavy-Duty Upper Control Arms – Corrects suspension geometry and improves articulation.
- High-Angle Ball Joints – Designed to handle increased suspension travel without bind.
- Maintains Ride Quality – Retains factory-like comfort while improving off-road performance.
- Complete Bolt-On System – No cutting or permanent modifications required.
📘 Specifications
- Brand: ReadyLIFT
- Product Type: Lift Kit (SST)
- Part Number: 69-21410
- Lift Height: 4"
- Material: Steel / 6061-T6 Billet Aluminum Components
- Finish: Powder Coated
- Includes Upper Control Arms: Yes
- Installation Type: Bolt-On
- Sold As: Kit
📦 What’s Included (What’s in the Box)
- Suspension Components
- Front Billet Aluminum Spacers
- Preload Spacers
- Tubular Upper Control Arms (w/ HD Ball Joints)
- Rear Suspension Components
- Track Bar Bracket
- Hardware
🛡 Warranty
- ReadyLIFT Limited Lifetime Warranty
⚠️ Fitment Notes
- Ford Bronco (2021–Present)
⚠️ Fitment Notes
- ❗ Designed for base-model Broncos (non-Sasquatch, non-Raptor)
- ❗ Will NOT fit Bronco Raptor models
- ❗ Not intended for factory lifted/Sasquatch-equipped models
- ❗ Allows up to 37" tires (38" with trimming depending on setup)