Home » Rock Krawler 4.5" X-Factor Long ArmKit with 6" Stretch for 07-17 Jeep® Wrangler JK
Rock Krawler 4.5" X-Factor Long ArmKit with 6" Stretch is no longer available
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Rock Krawler 4.5" X-Factor Long ArmKit with 6" Stretch for 07-17 Jeep® Wrangler JK

The Rock Krawler 4.5" X-Factor Long Arm Stretch System for Jeep® Wrangler JK is the best performing trail suspension for those looking to run 37", 38" or 40" tall tires with flat fenders. This system features the Rock Krawler Independent Three Link Conversion front and rear. The Independent Three Link's 100% bind free design has proven its self to be the best choice for those looking for maximum articulation while maintaining a factory like highway ride and tight handling. This system features the best in class cross over angles and ground clearance. The rear suspension features adjustable anti-squat so you can dial in your JK's suspension to your liking. All of the high clearance lower control arms are made from 2" solid alloy steel and built for abuse. The JK X-Factor Stretch Systems repositions the rear axle back 3" to yield a perfect 99" wheelbase. The 99" wheelbase is a great compromise for those looking to gain a little wheelbase for improved climbing ability, but not loose too much cross over ability while maintaining the vehicle 50 states street legal. This system comes with exclusive Abuse Proof Lifetime Warranty on all hard parts!
  • Excellent Highway Ride and Handling
  • Unbelievable Off-Road Ability
  • Independent 3 Link Conversion Front and Rear (100% Bind Free Suspension)
  • Best in Class Ground Clearance and Cross Over Angles
  • Adjustable Rear Anti-Squat
  • Fully Adjustable Components
  • High Steer Upgrade w/ Off-Road Pro Drag Link
  • Long Travel Functional Multi Rate Coil Springs
  • Repositions the Rear Axle Back 3" For a Perfect 99" Wheelbase
  • Up to 40" Tires (Flat Fenders)
  • Abuse Proof Lifetime Warranty on All Hard Parts
  • Upgradeable to any other Rock Krawler System
    Installation Notes
    Installation Difficulty:
    Level 4Experts Only
    Installation Time: 5-6 hours
    Parts Included
    • 4 Long travel functional multi rate coil springs
    • 4 High clearance-adjustable lower control arms made of 2.0" solid alloy steel
    • 2 Double adjustable track bars made from 1.5" solid alloy steel
    • 4 Long arm mounts and cross member made from 1/4" thick laser cut steel
    • 2 High misalignment adjustable upper control arms made from 1.625" solid alloy steel
    • 1 Rear independent 3rd link mount made of 1/4" thick laser cut steel
    • 1 Weld on rear axle truss with adjustable anti-squat
    • 2 Rear track bar relocation bracket made from thick laser cut steel
    • 2 Weld on offset rear axle spring pads
    • 1 Front track bar relocation bracket made from thick laser cut steel
    • 1 Off-Road pro drag link
    • 1 Adjustable front sway bar disconnects
    • 2 Rear extended sway bar links
    • 4 Long travel stainless steel brakes
    • 2 Rear coil spring degree wedges
    • 2 Front spring retainer clips, hardware and detailed instructions
    Limited Lifetime Warranty
  • Features: Long Arm
  • Shocks Included: Without Shocks
  • Max Tire Size: 40
  • Lift Height Range: 3 - 4.5 inch
  • Included Parts: Axle Truss, Brake Line Extensions, Coil Springs, Control Arm Brackets, Front Lower Control Arms, Front Track Bar, Front Track Bar Bracket, Front Upper Control Arms, Hardware, Rear Lower Control Arms, Rear Track Bar, Rear Track Bar Bracket, Rear Upper Control Arms
  • Jeep Wrangler 2-Door (JK)

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