The Rock Krawler Suspension JK Wrangler 4.5 inch X - Factor X2 Long-Arm 6 INCH STRETCH System is the ultimate in compromise between daily driver/hard core off-roader. PRO derives from having a set of PB&J (Pure beef and jealousy) Billet aluminum lower control arms. These arms are custom machined in-house, built using a solid square stock bar of billet aluminum and engineered to quite literally, handle any abuse you can throw at them. The X - Factor X2 systems combine the benefits of a full high clearance independent 3 link front suspension with a high clearance independent 3 link rear suspension. This is where conventional on road handling meets bad ass off-road ability. Our proprietary design utilizes a double adjustable front and rear upper control arm that upsizes the factory hardware to 14mm, 2 3/8" mounting width and 1" Pro Krawler joints at each end. The arm itself is a chromoly solid steel arm meant to carry all the forces of the suspension. The rear system uses our tried and true independent 3 link conversion with X2 rear suspension geometry with enhanced rear instant center(s) and rear roll center(s). We provide the necessary brackets and control arms needed to achieve a 6" rear suspension stretch in order to give an enhanced wheelbase. This helps with greater off-road capability and better on-road handling characteristics in a 2-door 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 independent 3 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:
- 6" Rear suspension stretch
- Excellent Highway Ride
- Improved Off-Road Ability
- 2.25 RRD Shocks Front & Rear
- High Clearance Independent 3 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
- (2) Heat Shield Products thermal barrier
- (1) 1/4” thick laser cut steel cross member
- (2) Front billet aluminum adjustable lower control arm
- (1) Front axle side weld-on control arm bracket
- (1) Front adjustable upper control arm
- (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) 6” offset spring 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
- Twin Tube Shocks / 2.25"RRD shocks
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Shock Information:
- Generic Front Shock Length – 17.5” Collapsed/ 28” Maximum Extended
- Generic Rear Shock Length – 16.3” Collapsed/ 26.31” 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 RRD02291
- RRD Spec Rear Shock
- Part Number RRD02292
- FULL PACKAGE = RRD02305
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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
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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 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 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.
- Requires removal of the OEM axle side front upper control arm mount.
- 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.
- 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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