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Rancho® 3.5" Progressive Sport System for 07-15 Jeep® Wrangler & Wrangler Unlimited JK

The Quadratec® Difference
Starting at

Rancho® is proud to offer a new 3-3.5-in. Suspension System for the Jeep Wrangler JK. The 3-3.5-in. Suspension Progressive Sport Kit features front & rear variable rate coil springs to provide superior on road comfort and off-road performance,
adjustable front trackbar to center the axle and rear trackbar bracket, extended sway bar links, front stainless steel braided brake lines and rear brake line brackets, and front bump stops. This kit is precision engineered to be 100-percent compatible with the Jeep factory electronic stability system.
The kit was designed with 35-in. tires and 17-in. wheels with 4.5-in. of backspacing.
Cross over exhaust pipe required for 12-15 JK

  • System was test fit with 35-in. tires
  • Rancho progressive rate coil springs
  • Adjustable front track bar
  • Track bar relocation brackets
  • High-strength steel sway bar links
  • Extended length stainless braided front brake lines
  • Allows for reuse of the O.E wheels and tires
  • Compatible with both 2WD and 4WD
Installation Notes
Installation Difficulty:
Level 2Intermediate
Parts Included

Suspension Arm Bracket, Right
Suspension Arm Bracket, Left
Adjustable Front Track Bar
Sway Bar End Links, Front
Front Brake Lines
Rear Axle Track Bar Bracket
Front Bump Stop Spacers
Rear Bump Stop Spacers
Rear Sway Bar Brackets

Limited Lifetime Warranty.
  • Lift Height (Lift Kits): 3.5, 3.50
  • Shocks Included: Without Shocks or With Shocks
  • Max Tire Size: 35
  • Lift Height Range: 3 - 4.5 inch
  • Included Parts: Bump Stop Extensions, Extended Brake Lines, Front Track Bar, Rear Track Bar Bracket, Sway Bar Endlinks
  • Jeep Wrangler 2-Door (JK)

  • 2015 Jeep Wrangler 2-Door (JK)
  • 2014 Jeep Wrangler 2-Door (JK)
  • 2013 Jeep Wrangler 2-Door (JK)
  • 2012 Jeep Wrangler 2-Door (JK)
  • 2011 Jeep Wrangler 2-Door (JK)
  • 2010 Jeep Wrangler 2-Door (JK)
  • 2009 Jeep Wrangler 2-Door (JK)
  • 2008 Jeep Wrangler 2-Door (JK)
  • 2007 Jeep Wrangler 2-Door (JK)
  • 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)
Part NumberCatalog #OptionPrice
RS66110B16031.4320Without Shocks$749.99
RS66110B16031.4321With RS5000 Shocks$1,192.99
RS66110B16031.4322With RS9000XL Shocks$952.99
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