The Rock Krawler Suspension JKU Wrangler 4.5 inch Adventure X PRO Long-Arm System is the ultimate in compromise between daily driver/hard core off-roader. The "PRO" signifies you are entering the realm of PB&J (PURE BEEF AND JEALOUSY) by purchasing a system that is outfitted with 4 BILLET ALUMINUM CNC MACHINED SERVICE FREE lower control arms in a long arm length! This is as good as it gets; absolute strength, paired with a maintenance free peace of mind will have you blasting down any trail in America! The Adventure-X2 systems combine the benefits of a full high clearance 4 link front suspension with a high clearance independent 3 link rear suspension. Say goodbye to greasing your joints, our service free longarm system is here to stay. In every single control arm, we have our Adventure series joint center, which isolates harsh road vibrations equivalent to an OE bushing, includes high misalignment, and is fitted with a steel sleeve (that the bolt passes through) which rotates freely on a additional Teflon lined inner sleeve to insure that you are never chafing, twisting, or deforming the bushing material inside the housing as you blast through the mud, sand, sleet, salt, snow, dirt and dust. To finish it off, as you tighten your control arms into the mounts, the sleeve of the joint is engineered to be the buffer between the clamping force of a bracket, which means that as you tighten everything, you are not compressing the bushing. This all makes for an incredibly long lasting joint that never requires a drop of grease, and makes zero noise inside the housing. This is where conventional on road handling meets bad ass off-road ability. With enhanced rear instant center(s) and rear roll center(s), X2 rear suspension geometry is the smoothest riding 3-Link suspension you can take down a trail or cruise across America in your Wrangler. The new high clearance axle mounts provide 3.5” of ground clearance under the rear axle as compared to stock. The rear upper shock relocation brackets ensure you do not lose any shock or suspension travel. The combination of a full high clearance 4-link long arm front suspension and high clearance independent 3 link rear long arm suspension lets you dominate the streets and the trails.
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:
- Maintenance Free/ High Ability Control Arms Featuring our Award Winning Adventure Series Joints
- Full High Clearance Design
- High Clearance 4 Link Long Arm Front Suspension
- High Clearance Independent 3 Link Long Arm Rear Suspension
- Weld on Long Arm Mounting Brackets with Weld Scheduling just like OEM
- Heat Shield thermal barrier products, just like OEM to protect the front control arm joints at the frame
- 3.5” Rear Clearance Gain from the X2 Axle Bracket System
- Adjustable Rear Anti-Squat Featuring X2 Geometry
- Designed to be the Ultimate Compromise between On Highway Handling and Hard Core Off-Road Ability
- Lifetime Warranty Coverage
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System Includes:
- (2)Front frame side weld-on long arm mount
- (1) Weld-on raised Trackbar mount
- (1) Top mount Pro-X Drag Link
- (2) Heat Shield Products thermal barrier
- (1) 1/4” thick laser cut steel cross member
- (2) Front Billet Aluminum adjustable lower control arms
- (2) Front adjustable upper control arms
- (1) Front adjustable anti-wobble track bar
- (1) Front sway bar disconnect kit
- (2) Front triple rate coil spring
- (2) Rear frame side weld-on lower control arm mount
- (2) Rear Billet Aluminum adjustable lower control arms
- (1) Rear double adjustable upper control arm
- (1) Rear adjustable anti-wobble track bar
- (1) Rear weld-on dual sport track bar bracket
- (1) Rear weld-on axle truss
- (2) Rear frame side weld-on lower control arm mount
- (2) Rear frame side weld-on shock mount
- (2) Rear axle side high clearance control arm/shock/sway bar link mount
- (2) Rear triple rate coil spring
- (2) Front extended brake line
- (2) Rear extended brake line
(*DEPENDING ON SHOCK PACKAGE CHOSEN*)
- Bumpstops are included with all shock options
- IF YOU CHOOSE NO SHOCKS - BUMPSTOPS CAN BE PURCHASED SEPARATELY - RK07123
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Shock Information:
- Generic Front Shock Length – 18” Collapsed/ 29” Maximum Extended
- Generic Rear Shock Length – 17.3” Collapsed/ 28.31” 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 RRD02293
- RRD Spec Rear Shock
- Part Number RRD02294
- FULL PACKAGE = RRD02306
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Wheel Fitment:
- We typically recommend 4.5" of backspacing on a wheel used with 33" & 35" tall tires
- We typically recommend 3.5" of backspacing on a wheel used with 37" tall tires
Tire Fitment:
- 33" or 35" Tires using OEM fender flares
- 37" tires if using flat fenders
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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)
- If building with a spare delete we recommend dropping 1” in coil lift height for the rear.
- If building an overland or heavily upfitted build in the back, we recommend upsizing 1” in coil lift height for the rear.
- Requires removal of the OEM frame side front and rear lower control arm mounts.
- Requires removal of the OEM frame side front and rear upper control arm mounts.
- Requires welding of the front and rear frame side long arm mounts.
- Minor exhaust rerouting required before the collector on the driver's side. This is recommended to be done prior to the suspension system being installed.
- Requires removal of the OEM rear axle side brackets.
- Requires welding of the provided rear axle side control arm/shock/sway bar link bracket, track bar bracket and rear axle truss.
- Requires removal of the OEM frame side rear shock mount.
- Requires welding of the provided frame side rear shock mount.
- Rear shocks will require a standard bushing and sleeve just like the rear lower shock bushing and sleeve. We have removed the weakness of the bar pin setup with the supplied rear upper shock mounts.
- Recommend installing limiting straps to avoid over extension of suspension components after vehicle is all set up.
- This system allows the rear axle to be pushed back up to 1” over stock which perfectly centers the rear axle assembly under typical aftermarket flat fenders. It also allows for larger tires without contacting the rock sliders or rear pinch seam.
- The rear upper third link is designed around standard low pinion rear axles. When ordering for high pinion rear axles please contact us directly so we can ensure proper fitment as best as possible.
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