Take your Jeep Wrangler Unlimited JL 4-Door to a new level with the JKS Manufacturing J-Kontrol 3.5in 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 3.5in 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.
Level 3 Advanced
Drilling Required
5in or Less Backspacing Required
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
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: 3 - 4.5 inch
Included Parts: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 122
Shipping Dimensions: 38in x 15in x 33in (L x W x H)
Features: 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: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 122
Shipping Dimensions: 38in x 15in x 30in (L x W x H)
Features: 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: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 115
Shipping Dimensions: 38in x 15in x 33in (L x W x H)
Features: 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: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 115
Shipping Dimensions: 38in x 15in x 30in (L x W x H)
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)
Learn More
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 3.5in 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:
Level 3 Advanced
Installation Time: 5-7 hours
Parts Included
Warranty
Specs
For JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs:
For Fox 2.0 Performance Series Shocks & JSPEC Standard Duty Coil Springs:
For JSPEC Custom Valve Gas Shocks & JSPEC Heavy-Duty Coil Springs:
For Fox 2.0 Performance Series Shocks & JSPEC Heavy-Duty Coil Springs:
Fitment
Jeep Wrangler Unlimited 4-Door (JL)
Options
JKS Manufacturing J-Kontrol 3.5in Suspension System Options
| Part Number | Catalog # | Shock Option | Coil Spring Option | Price | |||||
|---|---|---|---|---|---|---|---|---|---|
| 16156-0800 | JSPEC Custom Valve Gas Shocks | JSPEC Standard Duty Coil Springs | $1,480.39 | ||||||
| 16156-0801 | Fox 2.0 Performance Series Shocks | JSPEC Standard Duty Coil Springs | $2,155.55 | ||||||
| 16156-0802 | JSPEC Custom Valve Gas Shocks | JSPEC Heavy-Duty Coil Springs | $1,480.39 | ||||||
| 16156-0803 | Fox 2.0 Performance Series Shocks | JSPEC Heavy-Duty Coil Springs | $2,155.55 |
Description
Take your Jeep Wrangler Unlimited JL 4-Door to a new level with the JKS Manufacturing J-Kontrol 3.5in 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 3.5in 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.
Level 3 Advanced
Drilling Required
5in or Less Backspacing Required
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
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: 3 - 4.5 inch
Included Parts: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 122
Shipping Dimensions: 38in x 15in x 33in (L x W x H)
Features: 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: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 122
Shipping Dimensions: 38in x 15in x 30in (L x W x H)
Features: 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: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 115
Shipping Dimensions: 38in x 15in x 33in (L x W x H)
Features: 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: Brake Line Brackets, Bump Stop Extensions, Coil Springs, Control Arm Brackets, Hardware, Sway Bar Endlinks
Shipping Weight: 115
Shipping Dimensions: 38in x 15in x 30in (L x W x H)
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)
Learn More
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 3.5in 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:
Level 3 Advanced
Installation Time: 5-7 hours
Parts Included
Warranty
Specs
For JSPEC Custom Valve Gas Shocks & JSPEC Standard Duty Coil Springs:
For Fox 2.0 Performance Series Shocks & JSPEC Standard Duty Coil Springs:
For JSPEC Custom Valve Gas Shocks & JSPEC Heavy-Duty Coil Springs:
For Fox 2.0 Performance Series Shocks & JSPEC Heavy-Duty Coil Springs:
Fitment
Jeep Wrangler Unlimited 4-Door (JL)
Options
JKS Manufacturing J-Kontrol 3.5in Suspension System Options
| Part Number | Catalog # | Shock Option | Coil Spring Option | Price | |||||
|---|---|---|---|---|---|---|---|---|---|
| 16156-0800 | JSPEC Custom Valve Gas Shocks | JSPEC Standard Duty Coil Springs | $1,480.39 | ||||||
| 16156-0801 | Fox 2.0 Performance Series Shocks | JSPEC Standard Duty Coil Springs | $2,155.55 | ||||||
| 16156-0802 | JSPEC Custom Valve Gas Shocks | JSPEC Heavy-Duty Coil Springs | $1,480.39 | ||||||
| 16156-0803 | Fox 2.0 Performance Series Shocks | JSPEC Heavy-Duty Coil Springs | $2,155.55 |
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