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JKS Manufacturing

JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door

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  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing J-Max 3.5in Suspension System for 18-25 Jeep Wrangler Unlimited JL 4-Door
$7,704.49
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Description

Description
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Specs
Fitment
As the name suggests, the JKS Manufacturing J-Max 3.5in Suspension System was designed to provide maximum suspension performance to your Jeep Wrangler Unlimited JL. This coilover conversion kit features FOX 2.5 Remote Reservoir DSC Coilovers and bolt-on brackets for premium handling and off-road ability. The included J-Flex control arms are made from 2in x .250-wall DOM tubing, and reduce Noise Vibration and Harshness (NVH) by using factory style rubber bushings. By including all eight adjustable control arms, the J-Max system provides optimal ride quality. To ensure that all suspension and driveline geometry is optimized, JKS also includes front and rear adjustable track bars.

Many states have laws that limit the maximum height of a lifted vehicle. Never exceed the legal height limit.

J-Max System: As the name suggests, the J-Max system is the top of the line lift kit from JKS. By upgrading to bolt-on coilovers, there are no obstacles too tough for your Jeep.

Vehicle Specific Design: This lift kit was engineered for the Wrangler Unlimited JK. The coil springs were specifically tuned for 4-door applications.

Run Larger Wheels and Tires: The JKS Manufacturing J-Max 3.5in Suspension System will allow you to fit 37x12.50 tires on Rubicon models, or 35x12.50 tires on non-Rubicon models.

FOX Racing Shox Coilovers: FOX 2.5 Remote Reservoir DSC Coilovers provide optimum ride and handling. With increased suspension flex, they will improve your Jeep's off-road ability.

Installation Notes
Installation Difficulty:
Skill Level 4 IconLevel 4Experts Only
  • Drilling Required
  • 5in or Less Backspacing Required
Installation Time: 14-15 hours
Parts Included
  • Front Fox 2.5 Remote Reservoir DSC Coilover Pair
  • Rear Fox 2.5 Remote Reservoir DSC Coilover Pair
  • Front Coilover Conversion Brackets
  • Rear Coilover Conversion Brackets
  • Font Adjustable Lower Control Arm Pair
  • Rear Adjustable Lower Control Arm Pair
  • Front Adjustable Upper Control Arms
  • Rear Adjustable Upper Control Arms
  • Front Adjustable Track Bar
  • Rear Adjustable Track Bar
  • Front Sway Bar Disconnects
  • Rear Sway Bar End Links
  • Front Bump Stop Spacers
  • Rear Bump Stop Spacers
  • Front Brake Line Drop Brackets
  • Installation Hardware
Warranty
Limited Lifetime Warranty
  • Features: Coil Over, Dual Rate Coil Springs, Front Sway Bar Disconnects, Short Arm
  • Shocks Included: With Shocks
  • Max Tire Size: 37
  • Lift Height Range: 3 - 4.5 inch
  • Included Parts: Bump Stops, Coil Springs, Extended Brake Lines, Front Lower Control Arms, Front Track Bar, Front Upper Control Arms, Hardware, Rear Lower Control Arms, Rear Track Bar Bracket, Rear Upper Control Arms, Sway Bar Endlinks
  • Shipping Weight: 225
  • Shipping Dimensions: 38in x 16in x 56in (L x W x H)
  • Jeep Wrangler Unlimited 4-Door (JL)

  • 2025 Jeep Wrangler Unlimited 4-Door (JL)
  • 2024 Jeep Wrangler Unlimited 4-Door (JL)
  • 2023 Jeep Wrangler Unlimited 4-Door (JL)
  • 2022 Jeep Wrangler Unlimited 4-Door (JL)
  • 2021 Jeep Wrangler Unlimited 4-Door (JL)
  • 2020 Jeep Wrangler Unlimited 4-Door (JL)
  • 2019 Jeep Wrangler Unlimited 4-Door (JL)
  • 2018 Jeep Wrangler Unlimited 4-Door (JL)
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Additional Information

Features:
Coil Over
Features:
Dual Rate Coil Springs
Features:
Front Sway Bar Disconnects
Features:
Short Arm
Shocks Included:
With Shocks
Max Tire Size:
37
Lift Height Range:
3 - 4.5 inch
Included Parts:
Bump Stops
Included Parts:
Coil Springs
Included Parts:
Extended Brake Lines
Included Parts:
Front Lower Control Arms
Included Parts:
Front Track Bar
Included Parts:
Front Upper Control Arms
Included Parts:
Hardware
Included Parts:
Rear Lower Control Arms
Included Parts:
Rear Track Bar Bracket
Included Parts:
Rear Upper Control Arms
Included Parts:
Sway Bar Endlinks
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