MetalCloak JL Wrangler 3.5" Game-Changer Long-Arm Four-Link System
A complete long-arm 4-link suspension system designed for Jeep JL. This system delivers maximum control off-road, improved suspension geometry, and on-road comfort. It is a fully bolt-on kit — no welding required, making installation easier and safer without compromising the frame structure.
Key Features & Components
- Front long-arm 4-link control arms made of 2.0″ DOM steel tubing with ¼″ wall thickness, equipped with forged threaded ends for superior strength.
- Upper front arms made of 1.25″ DOM with 3/16″ wall, bent for optimal clearance during full suspension articulation.
- Duroflex™ bushings reinforced with Kevlar®, offering unmatched durability, vibration dampening, and self-centering performance compared to standard rubber bushings.
- Bolt-on front mounts – no welding required.
- Rear suspension available in two configurations:
- DB3 Mid Arm – improves geometry without cutting or removing factory brackets.
- Full Rear Long Arm – requires removal of OEM mounts but provides the most stable wheelbase across the full range of articulation.
- Heavy-duty replacement crossmember (3/16″ steel), adding frame rigidity and serving as the mounting base for the long arms.
- True Dual Rate™ Coil Springs – engineered for both road comfort and off-road performance.
- Custom coil isolators – replacing OEM plastic isolators, improving spring stability and reducing coil sway.
- Chromoly 4130 adjustable track bar with Durotrak™ bushings for reduced noise, vibration, and improved steering precision.
- Adjustable bump stops made of elastomer, settable between 1"–4" without removing the coils.
- Multiple shock options:
- MetalCloak 6Pak – extreme travel performance.
- RockSport – balanced performance tuned for True Dual Rate springs.
- Fox shocks – premium external reservoir options for 3.5″–5.5″ lifts.
- All steel components finished with gold zinc plating for corrosion resistance and premium looks.
Benefits
- Enhanced stability and axle control during extreme suspension articulation.
- Eliminates bump steer and maintains proper geometry even with high lifts.
- Improved on-road handling thanks to Duroflex and Durotrak bushing technology.
- Increased durability and longer lifespan compared to traditional systems.
- Bolt-on installation – faster setup without altering frame integrity.
- Fully customizable – choose the shock option that best suits your driving style (daily, off-road, or extreme).
- Durable corrosion-resistant finish.
Installation Notes
- Extended suspension travel may require upgraded driveshafts for proper operation.
- Full rear long-arm configuration requires removal of OEM brackets and cutting the frame.
- A professional alignment is required after installation.
- Powder coating the True Dual Rate springs is not recommended, as it may reduce their lifespan.
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