Suspension and Components Suspension Kits

Rough Country

Long Arm Upgrade Kit | 4-6 Inch Lift | Jeep Wrangler TJ 4WD (1997-2006)

$1,249.95

SKU: R04C 66300U

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Part #: 66300U

Transform your 97-06 Jeep Wrangler with Rough Country's Long Arm Upgrade, designed to take your existing 4- or 6-inch lift kit to the next level. Engineered for serious off-road performance, this kit features extreme travel long arms that maintain optimal alignment while providing maximum articulation over rugged terrain.X-Flex Control Arms: Fully greasable and built for durability, these arms feature premium Clevite OEM-style rubber bushings for smooth, controlled movement. The massive 2.5-inch diameter flex joints with 1.25-inch threads ensure unmatched strength and reliability.Superior Suspension Articulation: Upper joints pivot up to 20 degrees while lower joints move up to 35 degrees, delivering exceptional travel for tackling the toughest trails.Increased Ground Clearance: Gain extra height to clear obstacles with confidence and improve your Jeep's off-road capability.Upgrade your suspension and experience the perfect combination of strength, flexibility, and performance with Rough Country's Long Arm Upgrade Kit.

Features:

  • Increased Ground Clearance: Gain the extra height needed to conquer rugged terrain and clear obstacles with ease.
  • High-Clearance Lower Control Arms: Precision-engineered for maximum clearance to protect vital components and improve off-road capability.
  • Extreme Travel Long Arms: Maintain optimum alignment while delivering unmatched articulation for superior suspension performance on and off the trail.
  • X-Flex Control Arm Advantages: Built for strength, flexibility, and long-lasting reliability in extreme conditions.
  • Premium Clevite OEM-Style Rubber Bushings: Reduce vibration and noise for a smoother, more controlled ride.
  • Heavy-Duty Flex Joints: Massive 2.5-inch diameter body with 1.25-inch threads for unmatched strength and durability.
  • Fully Greasable Design: Extend component life and maintain peak performance with easy maintenance.
  • High-Pivot Upper Joints: Allow up to 20 degrees of movement for maximum suspension travel.
  • Wide-Pivot Lower Joints: Deliver up to 35 degrees of pivot for exceptional articulation over uneven terrain.

MIA's Description

This upgrade kit is designed for 1997-2006 Jeep Wrangler TJ models with an existing 4-6 inch lift. It improves traction, increases articulation, and enhances ground clearance. Professional installation is recommended.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRough Country
Part NumberR04C 66300U

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy