JKS Manufacturing 3.5in Coil Box Kit — 2007-2018 Jeep Wrangler JK 4-Door

SKU: JKSJSPEC2350
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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 Manufacturing

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

Watch in action

JKS Manufacturing 3.5in Coil Box Kit for Jeep Wrangler JK (4-Door)

Unleash the full potential of your 4-door 2007-2018 Jeep Wrangler JK with the JKS Manufacturing 3.5in Coil Box Kit. This meticulously engineered suspension upgrade provides a substantial lift, enabling the fitment of larger tires and significantly improving your vehicle's capability on rugged trails and challenging off-road environments.

Experience Enhanced Off-Road Performance:

  • Aggressive Lift: Achieve a 3.5-inch suspension lift, allowing for the installation of larger, more aggressive tires (up to 37 inches with appropriate modifications) for superior traction and obstacle clearance.
  • Robust Engineering: Crafted by JKS Manufacturing, renowned for their quality off-road components, this kit ensures durability and consistent performance under extreme conditions.
  • Superior Articulation & Travel: Designed to optimize suspension travel and articulation, providing better control and stability when navigating uneven terrain.
  • Comprehensive Solution: This kit includes all essential components required for installation, simplifying the upgrade process and ensuring proper integration with your JK's existing suspension.
  • Precise Fitment: Specifically designed for 4-door (Unlimited) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018 Jeep Wrangler JK models.

The JKS 3.5in Coil Box Kit is the ideal choice for Wrangler JK owners looking to significantly enhance their vehicle's off-road capabilities, tackle tougher trails, and achieve an imposing stance. Invest in quality and performance for your next adventure.

Get the ultimate off-road upgrade for your 4-door JK. Shop the JKS Manufacturing 3.5in Coil Box Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2010 Jeep Wrangler Unlimited X
2007-2017 Jeep Wrangler Unlimited Rubicon
2007-2017 Jeep Wrangler Unlimited Sahara
2010-2017 Jeep Wrangler Unlimited Sport
2011 Jeep Wrangler Unlimited 70th Anniversary
2016 Jeep Wrangler Unlimited 75th Anniversary
2018 Jeep Wrangler JK Unlimited Rubicon
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport
2018 Jeep Wrangler JK Unlimited Sport S

Product Details

Product Description
Part Numbers
Sizing & Fit

About JKS Manufacturing

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

Watch in action

JKS Manufacturing 3.5in Coil Box Kit for Jeep Wrangler JK (4-Door)

Unleash the full potential of your 4-door 2007-2018 Jeep Wrangler JK with the JKS Manufacturing 3.5in Coil Box Kit. This meticulously engineered suspension upgrade provides a substantial lift, enabling the fitment of larger tires and significantly improving your vehicle's capability on rugged trails and challenging off-road environments.

Experience Enhanced Off-Road Performance:

  • Aggressive Lift: Achieve a 3.5-inch suspension lift, allowing for the installation of larger, more aggressive tires (up to 37 inches with appropriate modifications) for superior traction and obstacle clearance.
  • Robust Engineering: Crafted by JKS Manufacturing, renowned for their quality off-road components, this kit ensures durability and consistent performance under extreme conditions.
  • Superior Articulation & Travel: Designed to optimize suspension travel and articulation, providing better control and stability when navigating uneven terrain.
  • Comprehensive Solution: This kit includes all essential components required for installation, simplifying the upgrade process and ensuring proper integration with your JK's existing suspension.
  • Precise Fitment: Specifically designed for 4-door (Unlimited) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018 Jeep Wrangler JK models.

The JKS 3.5in Coil Box Kit is the ideal choice for Wrangler JK owners looking to significantly enhance their vehicle's off-road capabilities, tackle tougher trails, and achieve an imposing stance. Invest in quality and performance for your next adventure.

Get the ultimate off-road upgrade for your 4-door JK. Shop the JKS Manufacturing 3.5in Coil Box Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2010 Jeep Wrangler Unlimited X
2007-2017 Jeep Wrangler Unlimited Rubicon
2007-2017 Jeep Wrangler Unlimited Sahara
2010-2017 Jeep Wrangler Unlimited Sport
2011 Jeep Wrangler Unlimited 70th Anniversary
2016 Jeep Wrangler Unlimited 75th Anniversary
2018 Jeep Wrangler JK Unlimited Rubicon
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport
2018 Jeep Wrangler JK Unlimited Sport S

Product Details

Product Description

About JKS Manufacturing

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

Watch in action

JKS Manufacturing 3.5in Coil Box Kit for Jeep Wrangler JK (4-Door)

Unleash the full potential of your 4-door 2007-2018 Jeep Wrangler JK with the JKS Manufacturing 3.5in Coil Box Kit. This meticulously engineered suspension upgrade provides a substantial lift, enabling the fitment of larger tires and significantly improving your vehicle's capability on rugged trails and challenging off-road environments.

Experience Enhanced Off-Road Performance:

  • Aggressive Lift: Achieve a 3.5-inch suspension lift, allowing for the installation of larger, more aggressive tires (up to 37 inches with appropriate modifications) for superior traction and obstacle clearance.
  • Robust Engineering: Crafted by JKS Manufacturing, renowned for their quality off-road components, this kit ensures durability and consistent performance under extreme conditions.
  • Superior Articulation & Travel: Designed to optimize suspension travel and articulation, providing better control and stability when navigating uneven terrain.
  • Comprehensive Solution: This kit includes all essential components required for installation, simplifying the upgrade process and ensuring proper integration with your JK's existing suspension.
  • Precise Fitment: Specifically designed for 4-door (Unlimited) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018 Jeep Wrangler JK models.

The JKS 3.5in Coil Box Kit is the ideal choice for Wrangler JK owners looking to significantly enhance their vehicle's off-road capabilities, tackle tougher trails, and achieve an imposing stance. Invest in quality and performance for your next adventure.

Get the ultimate off-road upgrade for your 4-door JK. Shop the JKS Manufacturing 3.5in Coil Box Kit at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2010 Jeep Wrangler Unlimited X
2007-2017 Jeep Wrangler Unlimited Rubicon
2007-2017 Jeep Wrangler Unlimited Sahara
2010-2017 Jeep Wrangler Unlimited Sport
2011 Jeep Wrangler Unlimited 70th Anniversary
2016 Jeep Wrangler Unlimited 75th Anniversary
2018 Jeep Wrangler JK Unlimited Rubicon
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport
2018 Jeep Wrangler JK Unlimited Sport S

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