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JKS Manufacturing

JKS Manufacturing JSPEC137K J-Kontrol 2.5in Suspension System with JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs for 18-25 Jeep Wrangler Unlimited JL 4-Door

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  • JKS Manufacturing JSPEC137K J-Kontrol 2.5in Suspension System with JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing JSPEC137K J-Kontrol 2.5in Suspension System with JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing JSPEC137K J-Kontrol 2.5in Suspension System with JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing JSPEC137K J-Kontrol 2.5in Suspension System with JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs for 18-25 Jeep Wrangler Unlimited JL 4-Door
  • JKS Manufacturing JSPEC137K J-Kontrol 2.5in Suspension System with JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs for 18-25 Jeep Wrangler Unlimited JL 4-Door
$1,480.39 - $3,635.94

Description

Description
Learn More
Specs
Fitment
Take your Jeep Wrangler Unlimited JL 4-Door to a new level with the JKS Manufacturing J-Kontrol 2.5in Suspension System. JKS based this lift kit on their proven J-Venture system, so it features the same front and rear dual-rate coil springs for superior consistency and handling. The included geometry correction brackets for premium ride quality. By lowering the frame side mounting point of the front control arms, JKS geometry correction brackets optimize driveline and suspension angles. The JKS Manufacturing J-Kontrol 2.5in Suspension System is available with either JSPEC Custom Valve Gas Shocks or Fox 2.0 Performance Series Shocks.

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

J-Kontrol System: To optimize driveline and suspension geometry, JKS includes their control arm drop brackets. These bolt-on brackets lower the frame side mounting point of the front control arms, effectively giving your Jeep the smooth handling of a long arm kit.

Run Larger Wheels and Tires: The JKS Manufacturing J-Kontrol 2.5in Suspension System will allow you to fit 37x12.50 tires on Rubicon models, or 35x12.50 tires on non-Rubicon models.

Shock Options: JKS offers their J-Kontrol lift kits with two different shock options. Choose from either JSPEC Custom Valve Gas Shocks or Fox 2.0 Performance Series Shocks.

Vehicle Specific Design: This lift kit was engineered for the Wrangler Unlimited JL. The coil springs were specifically tuned for 4-door applications, and are available in either standard or heavy-duty spring rates.

Installation Notes
Installation Difficulty:
Skill Level 3 IconLevel 3Advanced
  • Drilling Required
  • 5in or Less Backspacing Required
Installation Time: 5-7 hours
Parts Included
  • Front Dual-Rate Coil Spring Pair
  • Rear Dual-Rate Coil Spring Pair
  • Front Shock Pair
  • Rear Shock Pair
  • Geometry Correction Brackets
  • Front 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: Dual Rate Coil Springs, Front Sway Bar Disconnects, Short Arm
  • Shocks Included: With Shocks
  • Max Tire Size: 37
  • Lift Height Range: 0 - 2.5 inch
  • Included Parts: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
  • Shipping Weight: 53
  • Shipping Dimensions: 23in x 12in x 13in (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:
Dual Rate Coil Springs
Features:
Front Sway Bar Disconnects
Features:
Short Arm
Shocks Included:
With Shocks
Max Tire Size:
37
Lift Height Range:
0 - 2.5 inch
Included Parts:
Brake Line Brackets
Included Parts:
Bump Stop Extensions
Included Parts:
Coil Springs
Included Parts:
Control Arm Brackets
Included Parts:
Hardware
Included Parts:
Sway Bar Endlinks
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