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Rock Krawler 4.5in X Factor X2 Long Arm Trail Runner Lift Kit -JL

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Retail Price:$8,704.83
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Part Number: JL45X2LA-2TR
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The Rock Krawler 4.5 X Factor X2 Trail Runner System is the ultimate Long Arm system for hard core rock crawling and features a front & rear coil over set-up. The X Factor systems feature Independent 3 link designs front & rear for maximum articulation and off-road performance. The rear suspension provides adjustable anti-squat with X2 rear suspension geometry with enhanced rear instant center(s) and rear roll center(s). The new high clearance axle mounts provide 4.5" 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 high clearance long arms and 3 link suspension geometry lets you dominate the trails.

System Benefits

  • 2.625" Remote Reservoir Coil Over Front
  • 2.625" Remote Reservoir Coil Over Rear
  • Excellent Highway Ride
  • Improved Off-Road Ability
  • Full High Clearance Design
  • Independent 3 Link Long Arm Front Suspension
  • 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
  • 4.5" Rear Clearance Gain from the X2 Axle Bracket System
  • Adjustable Rear Anti-Squat Featuring X2 Geometry

Tire Fitment:

Sport and Sahara with Full OEM Fenders

38" Tall Tires (4" Bump Stop Height Recommended)

Sport and Sahara with Trimmed or High Lined OEM Fenders

40" Tall Tires (4" Bump Stop Height Recommended)

Rubicon with Full OEM Fenders

39/40" Tall Tires (4" Bump Stop Height Recommended)

Rubicon with Trimmed or High Lined OEM Fenders

42" Tall Tires (4" Bump Stop Height Recommended)

Wheel Fitment:

Sport and Sahara Wheel Fitment Recommendations

38" Tall Tires -Recommend 3.5" of Backspacing

Rubicon Fitment Recommendations

39inTall Tires -Recommend 4.0inof Backspacing

42" Tall Tires -Recommend 3.5" of Backspacing

General Notes:

*Required Steersmarts XD Yeti HD Bottom Mount Drag Link for Hard Off Road Use

*All lift heights based on Sport Models for 2 Doors

*Requires a gas tank conversion either to a JK Gas Tank or any aftermarket gas tank the mounts in the rear or bed of the vehicle

*Requires the use of an Aftermarket Front Axle Housing with FAD Delete to Weld the Front Upper Arm Mount to.

*Recommend a new front C.V. driveshaft for all front shocks with max. extended length greater than 29".

*Requires welding of the Front and Rear Long Arm Mounts.

*Requires removal of the OEM frame side lower front and rear control arm mounts.

*Requires removal of the OEM frame side front and rear upper control arm mounts.

*Requires removal of the OEM axle side rear lower control arm and track bar mounts.

*Requires modifying the OEM rear shock mounts and welding of the raised rear upper shock mounts.

*Recommend installing limiting straps to avoid over extension of suspension components after vehicle is all set up.

*Requires removal of the OEM shock mount off the frame.

*Requires removal of the OEM shock and spring mount off the axle.

*Requires welding of the new coil over mount on the axle only.

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