Rock Krawler JLU 3.5 X Factor Suspension System

  • Product Description

    The Rock Krawler JL 3.5 Flex System was designed for those who want an easy bolt-in installation, minimal maintenance and the durability and off-road performance you expect from Rock Krawler Suspension. The X Factor Series adjustable lower control arms offer a total of 90 degrees of misalignment that drastically reduces the bind inherent in JL factory lowers. Rock Krawler’s industry leading triple rate coils give you 3.5” of lift to clear up to 40” tires, depending on model, and improve the on-road ride over the factory linear rate springs. 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.

    System Benefits:

    • Complete Bolt in System
    • Excellent Highway Ride
    • Improved Off-Road Ability
    • Triple Rate Coil Springs
    • Front & Rear Spring Leveling Pads
    • Lifetime Warranty on All Hard Parts
    • Upgradeable to Rock Krawler JL Long Arm

    System Includes:
    (4) Triple rate coil springs
    (2) Front adjustable lower control arms
    (2) Front spring pads
    (1) Adjustable front track bar
    (2) Front sway bar disconnects
    (2) Sway bar link relocation brackets
    (2) Sway bar disconnect straps
    (2) Rear spring pads
    (2) Extended rear sway bar links
    (1) Adjustable rear track bar
    (1) Bolt-on rear track bar relocation bracket

    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)
    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
    Shock Notes:
    Generic Front Shock Length – 18-19” Collapsed/ 30” Extended
    Generic Rear Shock Length - 20-21” Collapsed/ 32” Extended
    General Notes:
    *All lift heights based on Rubicon Models
    *Recommend a new front C.V. driveshaft for all front shocks with max. extended length greater than 29”
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