Rock Krawler 4.5" T-REX COILOVER "No Limits" Suspension System for Jeep Wrangler JLU (4XE Models)
The Rock Krawler Suspension T-Rex Hybrid Long-arm Systems are the absolute best combination of on-road ride/handling and off-road ability you can get for your Wrangler JLU 4XE Door when keeping the gas tank in the stock location. Don’t shoot the messenger here, but Jeep made it extremely difficult to do a full long-arm front suspension design with all the 4XE cooling and trunk lines running from front to back of the 4XE right where the long-arm mounts should go. Very few people are qualified to alter the high voltage trunk lines used to power the hybrid power train. It is very risky business. We promise it was not our idea! This vary fact is what made us create the Hybrid T-Rex System. The T-Rex is a full high clearance mid-arm front setup with our tried and true ultra high clearance 3 link rear conversion. This gives you the absolute best possible combination to enhance your 4XE Wrangler Off-Road. The rear suspension geometry being a parallel 4 link with a track bar (i.e. 5 link rear) is really where the lack luster performance comes into play. This suspension arrangement naturally binds causing jacking when being tasked to perform off road. The Rock Krawler ultra high clearance 3 link with track bar removes the natural binding of stock rear suspension 100% allowing for ultra smooth suspension motion in the rear without jacking. A night and day difference. You also get the benefit of X2 rear suspension geometry gaining 4.5” of ground clearance under the rear axle without losing a single centimeter of rear shock travel! The rear roll center is raised significantly to further enhance handling and reduce side to side axle shifting while off-road. Make no compromise suspension geometry wise is our motto and T-Rex is no exception. All T-Rex control arms feature our exceptionally proven Adventure Series Joints for years of maintenance free use! The Term, "No-Limits" comes from the inclusion of our front sway bar links specifically designed for use with the factory electronic sway bar disconnect feature found standard in your Rubicon Wrangler! The sway bar links themselves come with factory sized hardware, a CNC machined billet aluminum center section, and Made in USA heim joints from FK bearing, once installed, just press the button and hit the rocks! Our system proves its durability and off-road performance every time you hit the streets or trail!
The Comp System (Front Coilovers w/ Rear Coil Combination) is ideal for those that want the adjustability and performance of coilover racing shocks up front, but still want to use their Wrangler to carry small loads or tow small trailers. There are two options for the Comp Systems you can choose from. The standard or Stage 1 System features 2 5/8" RRD Racing Coilovers w/ Remote Reservoirs up front paired with matching 2 5/8" RRD Racing Shocks w/ Remote Reservoirs in the rear for a well tuned package. Or you can opt for the Stage 2 Comp System which will include Fast CD (Compression Dampening) Adjusters on the coilovers and rear shocks for an even greater level of tuneability.
The Trail Runner System (Front and Rear Coilover Combination) is ideal for those that want the adjustability and performance of coilover racing shocks at all 4 corners. This combination maximizes the off road ability of your Wrangler and comes well tuned for the street. Rear coilovers perform amazing off road, but do not take changes in loading conditions too well so towing or adding a lot of weight to the bed area is not optimal for rear coilovers. The standard or Stage 1 System features 2 5/8" RRD Racing Coilovers w/ Remote Reservoirs front and for a well tuned package. Or you can opt for the Stage 2 Trail Runner System which will include Fast CD (Compression Dampening) Adjusters on the coilovers for an even greater level of tuneability.
Like all of our systems, amazingly tuned ride and handling is our number one priority! It is no different with our coilover systems. Coilovers add another level of tuneability for the vehicle owner to further enhance the ride, handling and off road performance to their liking. Install exceptional value, and be the foundation for every adventure whether it be on the Street or on the Trail with a Rock Krawler Coilover Suspension System! Thank you for considering Rock Krawler Suspension.
System Benefits:
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System Includes:
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Shock Information:
COMP SYSTEM STAGE 1 (Coilover Front/Coil Spring Rear)
COMP SYSTEM STAGE 2 (Coilover Front/Coil Spring Rear) W/ Fast CD Adjustable Shocks
TRAIL RUNNER SYSTEM STAGE 1 (Coilovers Front and Rear)
TRAIL RUNNER SYSTEM STAGE 2 (Coilovers Front & Rear) W/ Fast CD Adjustable Shocks
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Wheel Fitment: Rubicon Fitment Recommendations
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Tire Fitment: Rubicon with Full OEM Fenders
Rubicon with Trimmed or High Lined OEM Fenders
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General Notes:
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- Drive Type:
- 4WD
- Compatible Engine Options:
- 4XE
- Fuel Type:
- Gas
- Application:
- 4 door Wrangler Rubicon Trim Level