Rough Country Long Arm Upgrade Kit 4in Suspension — Fits 2007-2018 Jeep Wrangler JK

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SKU: DHTP_78600U

About Rough Country Rough Country engineers high-quality automotive parts and ...Read more

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Sale price$1,813.51 Regular price$1,818.99
18130 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Rough Country

Rough Country engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Rough Country lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Transform Your Jeep Wrangler JK Suspension

Take your off-road performance to the next level with the Rough Country Long Arm Upgrade Kit. Designed specifically for 2007-2018 Jeep Wrangler JK and Wrangler Unlimited models, this kit converts your existing 4-inch standard or X-series suspension into a high-articulation 4-link long arm system. By optimizing your suspension geometry, you gain superior flex and increased ground clearance, allowing you to tackle technical trails with confidence.

Key Features and Benefits

  • Advanced 4-Link Geometry: Significantly improves suspension travel and handling over stock setups.
  • Heavy-Duty Construction: Built from durable DOM tubing to withstand the harshest off-road environments.
  • Adjustable Control Arms: Includes front and rear upper and lower arms for precise wheelbase and pinion angle tuning.
  • Flex Joint Technology: Features high-quality adjustable flex joints with rubber bushings for long-lasting performance and vibration damping.
  • Cost-Effective Upgrade: Achieve professional-grade long arm capabilities without the expense of replacing your entire suspension system.

Whether you are a weekend warrior or a dedicated rock crawler, this upgrade provides the reliability and articulation needed for extreme terrain. The robust design ensures your Jeep stays planted while maintaining a smooth ride on the pavement. Experience the difference in handling and off-road capability that only a premium long arm conversion can provide. Trust GGCRACING for all your suspension upgrade needs.

About Rough Country

Rough Country engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Rough Country lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Transform Your Jeep Wrangler JK Suspension

Take your off-road performance to the next level with the Rough Country Long Arm Upgrade Kit. Designed specifically for 2007-2018 Jeep Wrangler JK and Wrangler Unlimited models, this kit converts your existing 4-inch standard or X-series suspension into a high-articulation 4-link long arm system. By optimizing your suspension geometry, you gain superior flex and increased ground clearance, allowing you to tackle technical trails with confidence.

Key Features and Benefits

  • Advanced 4-Link Geometry: Significantly improves suspension travel and handling over stock setups.
  • Heavy-Duty Construction: Built from durable DOM tubing to withstand the harshest off-road environments.
  • Adjustable Control Arms: Includes front and rear upper and lower arms for precise wheelbase and pinion angle tuning.
  • Flex Joint Technology: Features high-quality adjustable flex joints with rubber bushings for long-lasting performance and vibration damping.
  • Cost-Effective Upgrade: Achieve professional-grade long arm capabilities without the expense of replacing your entire suspension system.

Whether you are a weekend warrior or a dedicated rock crawler, this upgrade provides the reliability and articulation needed for extreme terrain. The robust design ensures your Jeep stays planted while maintaining a smooth ride on the pavement. Experience the difference in handling and off-road capability that only a premium long arm conversion can provide. Trust GGCRACING for all your suspension upgrade needs.

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