The Rock Krawler Suspension JL 3.5 inch X-Factor Mid-Arm System is specifically designed for Sport and Sahara owners who want a complete system, bolt-in installation, and the best articulation of any MID-ARM kit on the market. Our system proves its durability and off-road performance every time you hit the streets or trail! Our industry leading, X-Factor Series, adjustable upper and lower control arms offer a total of 95 degrees of misalignment when paired with our Pro-X Krawler Joints and Adventure Series joints. The inherent bind in a factory JL control arm is greatly reduced. Our maintenance free "Adventure Series" joints are found in your front and rear control arms at the frame connection, while our "PRO Krawler Joints" tie in your axle connections. With so much adjustability, it allows you to precision tune the JL's caster and pinion angle front and rear. Driving you home with the most comfortable ride possible in a Wrangler, are our TRIPLE RATE coils. All 4 coils work together to achieve excellent on-road comfort that we feel is better than the OEM linear rate springs. The coil itself is built with the proper "Free-length" for off-road articulation and stays firmly seated in the coil bucket (as long as a proper length shock is installed), and overall a very controlled reaction to bumps, rocks, sand, mud and whatever else you can manage to throw at them! All Rock Krawler JL systems include correction pads that reduce the spring bow inherent in the factory set up. The provided track bar geometry corrections, both front and rear, lets you perfectly center the axles so there is no compromise in on road handling.
When we design a system, our goal is to provide you with the most comprehensive solution and the best geometry, install exceptional value, and be the foundation for every adventure whether it be on the Street, In tow, or down a Trail! Thank you for considering Rock Krawler Suspension
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System Benefits:
- Complete bolt in system
- Excellent highway ride and handling
- The best off-road ability of all Mid Arm Systems
- Improved rear roll center
- Tuned Triple Rate Coils
- Spring Correction Seats
- Vehicle lean correction
- Upgradable to RK Longarm System
- Best Technical support in the industry
- Jeep remains level on all 4 corners
- Lifetime Warranty Coverage
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System Includes:
- (4) Triple rate coil springs
- (2) Front adjustable lower control arms
- (2) Front adjustable upper control arms
- (2) Front spring pads
- (1) Adjustable front track bar
- (2) No Limits sway bar links
- (2) Rear adjustable lower control arms
- (2) Rear adjustable upper control arms
- (2) Rear spring pads
- (2) Adjustable rear sway bar links
- (1) Bolt-on rear track bar relocation bracket
(*DEPENDING ON SHOCK PACKAGE CHOSEN*)
- Bumpstops are included with all shock options
- IF YOU CHOOSE NO SHOCKS - BUMPSTOPS CAN BE PURCHASED SEPARATELY - RK07124
- Twin Tube Shocks / 2.25"RRD shocks / Coilovers w/Coils / 2.625 RRD Remote Reservoir Shocks
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Shock Information:
- Generic Front Shock Length – 17.8” Collapsed/ 29.3” Maximum Extended
- Generic Rear Shock Length – 18.3” Collapsed/ 30.3” Maximum Extended
RRD Spec'd 2.25" Shocks: IN-HOUSE Designed and built - 2.25" Fluted aluminum construction, hard coat military grade black anodizing, 7/8" shaft, IFP (Internal floating piston), better bushings to achieve better misalignment, fully serviceable and rebuildable
- RRD Spec Front Shock
- Part Number RRD02285
- RRD Spec Rear Shock
- Part Number RRD02286
- FULL PACKAGE = RRD02308
- requires 3" bump stops both front and rear
TT Shocks: Steel bodied, can be installed with shaft up or down, excellent for daily drivers and weekend warriors
- RRD Spec Twin Tube Front Shock
- Part Number RRD04005
- RRD Spec Twin Tube Rear Shock
- Part Number RRD04004
- FULL PACKAGE = RRD04014
- requires 3" bump stops both front and rear
Remote Reservoir 2.625" Coilover Shocks: Remote reservoir standard, IFP construction, MASSIVE 2.625" shock bodies, fluted aluminum bodies, 1" shaft, 1.25" mounting width, hard coat military grade black anodizing, fully serviceable and rebuildable.
- RRD Spec Front Remote Reservoir Coilover
- Part Number RRD07622RR
- RRD Spec Remote Reservoir (NON-Coilover) Rear Shock
- Part Number RRD07630RR
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Wheel Fitment:
- Sport and Sahara Wheel Fitment Recommendations
- 37”/38” Tall Tires - Recommend 3.5” of Back Spacing
- Rubicon Fitment Recommendations
- 37” Tall Tires – Recommend 4.5” of Back Spacing
- 40” Tall Tires – Recommend 3.5” of Back Spacing
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Tire Fitment:
- Sport and Sahara with Full OEM Fenders
- 37” Tall Tires (3” Bump Stop Height Recommended)
- Sport and Sahara with Trimmed or High Lined OEM Fenders
- 38” Tall Tires (3” Bump Stop Height Recommended)
- Rubicon with Full OEM Fenders
- 37”/38” Tall Tires (3” Bump Stop Height Recommended)
- Rubicon with Trimmed or High Lined OEM Fenders
- 40” Tall Tires (3” Bump Stop Height Recommended)
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General Notes:
- All lift heights based on Rubicon models for standard style build (i.e. front bumper and winch, rear bumper and full size spare).
- XR Package does not require OUR raised rear track bar bracket, the factory axle has a raised rear trackbar bracket, and for OUR systems that do not have a rear trackbar one must be added.
- If building with a spare delete we recommend dropping 1” in coil lift height for the rear.
- If building an overland or heavily up-fitted build in the back, we recommend upsizing 1” in coil lift height for the rear.
- We recommend a new front driveshaft if you plan to off-road routinely.(Adam's Drivesahft,Tom Woods,J.E. Reel)
- Requires removal of the OEM shock mount off the frame (*If coilover system is purchased)
- Requires removal of the OEM shock and spring mount off the axle (*If coilover system is purchased)
- Requires welding of the new coil over mount on the axle only (*If coilover system is purchased)
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