Description
The TeraFlex 4.5” Alpine RT4 Long Arm Suspension System is engineered for Jeep JL owners who demand full-spectrum performance — from highway comfort to extreme off-road capability.
Built on TeraFlex’s renowned Alpine CT (Cross-Trail) foundation, the RT (Rogue Trail) lineup pushes suspension performance to the next level with heavy-duty construction, advanced geometry correction, and trail-proven durability.
Designed for those who want it all, this long arm system provides the ideal balance of strength, adjustability, and ride quality — whether carving through mountain switchbacks or crawling over boulders in Moab.
Key Features:
- Lift Height: 4.5”
- Sport/Sahara Fenders: Fits 35–37” tires
- Rubicon Fenders: Fits 37” tires
- Aftermarket High Fenders: Fits 39”+ tires
Adjustable Alpine IR Long Arms & Brackets for optimized front caster, rear pinion, and anti-squat geometry — engineered for 3–6” lifts
Independent Rotation (IR) Bushings eliminate binding and harshness, offering smooth, maintenance-free performance on- and off-road
HD Forged Adjustable Track Bars and Track Bar Brackets improve steering precision, axle centering, and roll control
Bolt-On Long Arm Brackets restore factory control arm angles on higher lifts, reducing bushing stress during droop and improving suspension articulation
42mm–50mm Wall DOM Tubing for unmatched durability and impact resistance
Front SpeedBump and Rear Progressive Bump Stops provide controlled compression during aggressive suspension travel
Front Sway Bar Quick Disconnects allow full flex and articulation when trails demand it
Triple-Stage Powder Coat Finish ensures corrosion resistance and long-term durability
RockGuard Transmission Skid Plate / Reinforced Crossmember adds frame strength and protection
Simple Bolt-On Installation — no welding required
Limited Lifetime Warranty against defects
The Alpine RT4 delivers true Rogue Trail performance with refined handling, reduced NVH, and dependable control across every terrain. Pair it with Falcon Performance Shocks (sold separately) for the ultimate Jeep JL suspension package.
