Teraflex JL 4dr: 3.5" Alpine RT3 Short Arm Suspension System – No Shocks – 3.6L/2.0L
Top-tier short arm performance with unmatched on- and off-road comfort and control.
The Teraflex Alpine RT3 3.5" Short Arm Suspension System is a complete, high-performance solution for Jeep JL 4-door owners seeking aggressive trail capabilities without sacrificing road comfort. This system features Alpine IR (Independent Rotation) Control Arms designed to eliminate suspension bind during articulation, delivering smooth, unrestricted travel across all terrain types. Engineered for both 3.6L and 2.0L engines, this kit includes adjustable HD forged track bars, front and rear track bar brackets, progressive bump stops, sway bar disconnects, and more—all without the need for welding. Shocks are not included. We recommend pairing with Falcon Performance Shocks for optimal performance.
What's Included
- Front & Rear Alpine IR Short Control Arms
- Front & Rear HD Forged Adjustable Track Bars
- Front (3.5"+) & Rear Track Bar Axle Brackets
- Front SpeedBump and Rear Progressive Bump Stops
- Front Sway Bar Quick Disconnects
- All necessary installation hardware
Key Features
- 3.5" lift height – one of Teraflex’s most versatile suspension heights
- Maintenance-free IR bushings reduce NVH and allow full suspension articulation
- Short arms built from 42mm x 4mm DOM tubing for extreme strength
- Track bars and brackets improve steering geometry and handling
- Progressive bump stops for high-speed impact control
- Quick-disconnect sway bars enable full flex off-road
- Simple bolt-on installation – no welding required
Vehicle Fitment
- 2018–Present Jeep Wrangler JL Unlimited (4-door)
- Compatible with 3.6L and 2.0L engines
Recommended Tire Sizes
- Sport/Sahara fenders: 35" tires (with 3" front & 2.5" rear bump stops)
- Rubicon fenders:
- 35" tires (with 2" front & 2" rear bump stops)
- 37" tires (with 2.5" front & 3" rear bump stops)
Installation
This system installs using existing factory control arm brackets—no cutting or welding necessary. Designed for easy bolt-on installation in a garage or shop. For questions or install assistance, contact us here.
Why Buy from Expedition Superstore?
- Authorized Teraflex distributor with Jeep expertise
- Real-world off-road experience, not just catalog knowledge
- Friendly, knowledgeable support team
- Your one stop overland shop
Teraflex JL 4dr: 3.5" Alpine RT3 Short Arm Suspension System – No Shocks – 3.6L/2.0L
Top-tier short arm performance with unmatched on- and off-road comfort and control.
The Teraflex Alpine RT3 3.5" Short Arm Suspension System is a complete, high-performance solution for Jeep JL 4-door owners seeking aggressive trail capabilities without sacrificing road comfort. This system features Alpine IR (Independent Rotation) Control Arms designed to eliminate suspension bind during articulation, delivering smooth, unrestricted travel across all terrain types. Engineered for both 3.6L and 2.0L engines, this kit includes adjustable HD forged track bars, front and rear track bar brackets, progressive bump stops, sway bar disconnects, and more—all without the need for welding. Shocks are not included. We recommend pairing with Falcon Performance Shocks for optimal performance.
What's Included
- Front & Rear Alpine IR Short Control Arms
- Front & Rear HD Forged Adjustable Track Bars
- Front (3.5"+) & Rear Track Bar Axle Brackets
- Front SpeedBump and Rear Progressive Bump Stops
- Front Sway Bar Quick Disconnects
- All necessary installation hardware
Key Features
- 3.5" lift height – one of Teraflex’s most versatile suspension heights
- Maintenance-free IR bushings reduce NVH and allow full suspension articulation
- Short arms built from 42mm x 4mm DOM tubing for extreme strength
- Track bars and brackets improve steering geometry and handling
- Progressive bump stops for high-speed impact control
- Quick-disconnect sway bars enable full flex off-road
- Simple bolt-on installation – no welding required
Vehicle Fitment
- 2018–Present Jeep Wrangler JL Unlimited (4-door)
- Compatible with 3.6L and 2.0L engines
Recommended Tire Sizes
- Sport/Sahara fenders: 35" tires (with 3" front & 2.5" rear bump stops)
- Rubicon fenders:
- 35" tires (with 2" front & 2" rear bump stops)
- 37" tires (with 2.5" front & 3" rear bump stops)
Installation
This system installs using existing factory control arm brackets—no cutting or welding necessary. Designed for easy bolt-on installation in a garage or shop. For questions or install assistance, contact us here.
Why Buy from Expedition Superstore?
- Authorized Teraflex distributor with Jeep expertise
- Real-world off-road experience, not just catalog knowledge
- Friendly, knowledgeable support team
- Your one stop overland shop
