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Quadratec Maximum Duty 2.5" Coil Spring Suspension Lift Kit with Shocks for 07-18 Jeep Wrangler Unlimited JK 4 Door

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Quadratec's Maximum Duty 2.5" Coil Spring Suspension kit provides the perfect blend of affordable parts and rugged, effective suspension. This kit passed the FMVSS 126 tests, and it easily works with the vehicle's electronic stability control system. Plus, it accommodates up to 34" tires without an issue. The system's progressive rate coil springs offer maximum travel and will keep you driving off-road comfortably. These Quadratec shocks also come with a choice of Hydro 7.0 or Nitro 8.0 shocks for greater comfort and driveability. Even sudden bumps and potholes during an off-road adventure are no match for this complete system. You’ll need a moderate amount of know-how to install this system, but it comes with everything you need to swap out of that outdated suspension system. Additionally, enjoy the peace of mind of a limited lifetime warranty. Your Jeep Wrangler JKU will feel like a whole new ride thanks to the Quadratec Maximum Duty 2.5" Coil Spring Suspension Kit.


Excellent Coil Springs: This suspension kit comes with heavy-duty coil springs, which offer maximum travel. You won’t have to worry about handling on your off-road expeditions.

Multiple Shock Options: Choose from the Hydro 7.0 or the Nitro 8.0 options. Whether you need maximum shock absorption or a mid-range choice, these shocks are efficient and fully compatible with most Jeep Wrangler JK models.

Limited Lifetime Warranty: Keep your Jeep on or off the road for its entire lifetime. This kit is backed by a limited lifetime warranty, so you won’t have to worry about what comes next should something happen to a part.

Easy Installation: With a few basic skills, you’ll be able to install this kit. There’s lots of great instructions available, including all the details you need to get you back on the trail.

Complete Kit: One-stop shopping at its best. This kit comes with all the parts and accessories you need to install in most Jeep Wrangler Unlimited JK models. You won’t have to make a last-minute run to the store with this convenient kit.

Installation Notes
Installation Difficulty:
Level 3Advanced
Installation Time: 4-6 hours
Parts Included

Front Coil Springs
Rear Coil Springs.
Front Bump Stop Extensions
Rear Bump Stop Extensions
Front Shock Absorbers with Boots
Rear Shock Absorbers with Boots
Rear Track Bar Re-alignment Bracket
Front Brake Line Brackets
Rear Brake Line Brackets

Limited Lifetime Warranty
  • Shocks Included: With Shocks
  • Max Tire Size: 34
  • Lift Height Range: 0 - 2.5 inch
  • Included Parts: Brake Line Extensions, Bump Stop Extensions, Front Track Bar Bracket, Rear Track Bar Bracket
  • Features: Short Arm
*Please make a selection above to view weight, specs of a specific product
  • Jeep Wrangler Unlimited 4-Door (JK)

  • 2018 Jeep Wrangler Unlimited 4-Door (JK)
  • 2017 Jeep Wrangler Unlimited 4-Door (JK)
  • 2016 Jeep Wrangler Unlimited 4-Door (JK)
  • 2015 Jeep Wrangler Unlimited 4-Door (JK)
  • 2014 Jeep Wrangler Unlimited 4-Door (JK)
  • 2013 Jeep Wrangler Unlimited 4-Door (JK)
  • 2012 Jeep Wrangler Unlimited 4-Door (JK)
  • 2011 Jeep Wrangler Unlimited 4-Door (JK)
  • 2010 Jeep Wrangler Unlimited 4-Door (JK)
  • 2009 Jeep Wrangler Unlimited 4-Door (JK)
  • 2008 Jeep Wrangler Unlimited 4-Door (JK)
  • 2007 Jeep Wrangler Unlimited 4-Door (JK)

Quadratec Maximum Duty 2.5" Coil Spring Suspension Lift Kit with Shocks Options

Part NumberCatalog #Price
16400 004416400.0044With Hydro 7.0 Shocks$489.95
16400 014416400.0144With Nitro 8.0 Shocks$519.95
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