The Rancho RS66128B-4 is Box 4 of a complete 4-box X-Lander RS3 suspension lift system designed specifically for 2020-2025 Jeep Gladiator JT models. This premium 3-inch lift kit delivers enhanced off-road capability and clearance for up to 38-inch tires on Rubicon models, transforming your Gladiator for serious trail performance while maintaining excellent ride quality.
Complete System Components:
- Corner-specific progressive rate coil springs for reliable, consistent handling throughout full suspension travel
- Fully adjustable front upper and lower control arms with on-vehicle caster adjustment capability
- Heavy-duty front track bar with D2 bushings to properly center the front axle
- Front and rear bump stop extensions for proper suspension travel control
- Extended-length sway bar end links and all necessary mounting hardware
Advanced D2 Bushing Technology:
- High-articulation, grease-free, self-centering design reduces maintenance requirements
- PTFE-infused dual durometer bushings allow sleeve rotation without resistance
- Significantly reduced noise, vibration, and harshness compared to standard bushings
- Improved handling and ride quality both on and off-road
Built for Performance and Durability:
- Bolt-on installation requires no cutting or drilling modifications
- Brackets fabricated from high-strength, low-alloy steel for exceptional longevity
- Black powder-coated coil springs with high tensile strength for superior compression and rebound
- Precision-engineered to be 100% compatible with Jeep factory electronic stability system
- Backed by Rancho's limited lifetime warranty
Important Ordering Information:
This is Box 4 of a 4-box complete kit. You must order all four boxes for a complete installation: RS66128B-1, RS66128B-2, RS66128B-3, and RS66128B-4. The system is designed to work with 38-inch tires on Rubicon models (37-inch maximum on non-Rubicon Gladiators). Shocks are sold separately—pair with Rancho RS5000X (RS55065 front/RS5070 rear) or RS9000XL (RS999065 front/RS999070 rear) shocks for optimal performance. For Gladiators used for overlanding or heavy towing, Rancho offers HD progressive rate coil springs (RS80139) with improved spring rates.
Note: While this product may be cross-referenced under Monroe (Rancho's parent company), this is an authentic Rancho-branded suspension component featuring Rancho's proprietary technologies and engineering.