JKS J-Venture 3.5" Heavy-Duty Lift Kit — Fits Jeep Wrangler JL 4-Door

SKU: BKWD_JSPEC120K
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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 JKS

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

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Heavy-Duty Capability for Your Jeep Wrangler JL

The JKS J-Venture 3.5" Heavy-Duty Lift Kit is specifically designed for the Jeep Wrangler JL 4-Door owner who carries extra gear, armor, or recovery equipment. This kit utilizes higher spring rate JSPEC dual-rate coils to support the additional weight while maintaining a consistent, comfortable ride height and superior handling dynamics.

Why Choose the J-Venture Heavy-Duty System?

  • Increased Load Capacity: Stiffer spring rates designed for overlanding and heavy equipment.
  • JSPEC Monotube Shocks: Custom-valved for optimal damping and durability.
  • Front & Rear Track Bar Adjustments: Ensures proper axle alignment and handling.
  • Quicker Disconnects: Maximizes front suspension travel for challenging obstacles.
  • Caster Cam Alignment: Corrects steering geometry for improved highway tracking.

This bolt-on system is the perfect entry-level performance upgrade for the serious enthusiast. By addressing the specific needs of a heavier vehicle, JKS ensures your Wrangler remains balanced and capable regardless of the terrain. The combination of high-quality components and precise engineering minimizes maintenance while maximizing your off-road potential. Whether you are planning a long-distance overlanding trip or a weekend of technical rock crawling, this lift kit provides the stability and clearance you need. Find all your premium suspension components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About JKS

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

Watch in action

Heavy-Duty Capability for Your Jeep Wrangler JL

The JKS J-Venture 3.5" Heavy-Duty Lift Kit is specifically designed for the Jeep Wrangler JL 4-Door owner who carries extra gear, armor, or recovery equipment. This kit utilizes higher spring rate JSPEC dual-rate coils to support the additional weight while maintaining a consistent, comfortable ride height and superior handling dynamics.

Why Choose the J-Venture Heavy-Duty System?

  • Increased Load Capacity: Stiffer spring rates designed for overlanding and heavy equipment.
  • JSPEC Monotube Shocks: Custom-valved for optimal damping and durability.
  • Front & Rear Track Bar Adjustments: Ensures proper axle alignment and handling.
  • Quicker Disconnects: Maximizes front suspension travel for challenging obstacles.
  • Caster Cam Alignment: Corrects steering geometry for improved highway tracking.

This bolt-on system is the perfect entry-level performance upgrade for the serious enthusiast. By addressing the specific needs of a heavier vehicle, JKS ensures your Wrangler remains balanced and capable regardless of the terrain. The combination of high-quality components and precise engineering minimizes maintenance while maximizing your off-road potential. Whether you are planning a long-distance overlanding trip or a weekend of technical rock crawling, this lift kit provides the stability and clearance you need. Find all your premium suspension components at GGCRACING.

Product Details

Product Description

About JKS

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

Watch in action

Heavy-Duty Capability for Your Jeep Wrangler JL

The JKS J-Venture 3.5" Heavy-Duty Lift Kit is specifically designed for the Jeep Wrangler JL 4-Door owner who carries extra gear, armor, or recovery equipment. This kit utilizes higher spring rate JSPEC dual-rate coils to support the additional weight while maintaining a consistent, comfortable ride height and superior handling dynamics.

Why Choose the J-Venture Heavy-Duty System?

  • Increased Load Capacity: Stiffer spring rates designed for overlanding and heavy equipment.
  • JSPEC Monotube Shocks: Custom-valved for optimal damping and durability.
  • Front & Rear Track Bar Adjustments: Ensures proper axle alignment and handling.
  • Quicker Disconnects: Maximizes front suspension travel for challenging obstacles.
  • Caster Cam Alignment: Corrects steering geometry for improved highway tracking.

This bolt-on system is the perfect entry-level performance upgrade for the serious enthusiast. By addressing the specific needs of a heavier vehicle, JKS ensures your Wrangler remains balanced and capable regardless of the terrain. The combination of high-quality components and precise engineering minimizes maintenance while maximizing your off-road potential. Whether you are planning a long-distance overlanding trip or a weekend of technical rock crawling, this lift kit provides the stability and clearance you need. Find all your premium suspension components at GGCRACING.

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