Rough Country

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

Part #: 66300UCategory: Suspension Lift Kits

Sold & installed by an Authorized Rough Country Dealer

Does it fit? Listed for 2 vehicles (Jeep). Pick your vehicle to check.

  • Increased Ground Clearance
  • High-Clearance Lower Control Arms
  • Extreme Travel Long Arms
  • X-Flex Control Arm Advantages

Install time: 8-9 hoursDoes NOT fit Unlimited models.A Slip Yoke Eliminator with CV Driveshaft is recommended to avoid driveline vibration.

Call or request a quote for today’s price and installation.

  • Authorized Rough Country dealer
  • Installed at our Silver Star Rd shop
  • No-credit-needed financing

About the Long Arm Upgrade Kit | 4-6 Inch Lift | Jeep Wrangler TJ 4WD…

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.

Notes

  • Does NOT fit Unlimited models.
  • A Slip Yoke Eliminator with CV Driveshaft is recommended to avoid driveline vibration.
  • Rubicon models do NOT need a SYE kit or transfer case drop, but a CV driveshaft is still recommended.
  • Exhaust will have to be cut and rerouted to make sure it is away from the moving components.

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.

What’s in the Box

Front

  • Upper Adjustable Control Arms
  • Lower Adjustable Control Arms
  • Control Arm Mounting Brackets
  • Rubicon Compressor Bracket
  • Hardware

Rear

  • Upper Adjustable Control Arms
  • Lower Adjustable Control Arms
  • Track Bar Drop Bracket
  • Hardware

Specifications

Specifications for the Long Arm Upgrade Kit | 4-6 Inch Lift | Jeep Wrangler TJ 4WD (1997-2006)
BrandRough Country
TypeSuspension Lift Kits
Part number66300U
Est. Install Time8-9 hours

Vehicle Fitment

2 vehicles listed by Rough Country. Always confirm drive type and trim before you order.

Vehicles the Long Arm Upgrade Kit | 4-6 Inch Lift | Jeep Wrangler TJ 4WD (1997-2006) fits
YearsMakeModelDetails
1997–2006JeepWrangler4WD
2003–2006JeepWrangler Rubicon4WD
Map of Orlando Treads & More, 6224 Silver Star Rd, Orlando
Visit the shop

Find Us on Silver Star Road

Opening hours
Monday8:30 AM – 6:30 PM
Tuesday8:30 AM – 6:30 PM
Wednesday8:30 AM – 6:30 PM
Thursday8:30 AM – 6:30 PM
Friday8:30 AM – 6:30 PM
Saturday8:30 AM – 6:30 PM
SundayClosed

Wheelchair-accessible entrance and parking at every office.

Have questions? Call (407) 723-1576

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Rather talk to someone? Call (407) 723-1576 · Mon–Sat 8:30 AM – 6:30 PM

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