Firestone Coil-Rite Air Helper Spring Kit Rear 07-17 Jeep Wrangler / Unlimited (W237604173)

If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire.Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C). Wrangler Fitment: Jeep Wrangler 70th Anniversary 2011 Jeep Wrangler 75th Anniversary 2016 Jeep Wrangler Rubicon 2007 to 2017 Jeep Wrangler Sahara 2007 to 2017 Jeep Wrangler Sport 2010 to 2017 Jeep Wrangler Sport S 2016 Jeep Wrangler Unlimited 70th Anniversary 2011 Jeep Wrangler Unlimited 75th Anniversary 2016 Jeep Wrangler Unlimited Rubicon 2007 to 2017 Jeep Wrangler Unlimited Sahara 2007 to 2017 Jeep Wrangler Unlimited Sport 2010 to 2017 Jeep Wrangler Unlimited Sport S 2016 Jeep Wrangler Unlimited X 2007 to 2010 Jeep Wrangler X 2007 to 2010 Jeep Wrangler JK Rubicon 2018 Jeep Wrangler JK Sahara 2018 Jeep Wrangler JK Sport 2018 Jeep Wrangler JK Sport S 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 2018 Toyota FJ Cruiser Base 2007 to 2009 Toyota FJ Cruiser Trail Teams Special Edition 2008