{"product_id":"firestone-fir4157-coil-rite-rear-air-helper-spring-kit","title":"Firestone - fir4157 - Coil-Rite Rear Air Helper Spring Kit","description":"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).\nCoil-Rite® Air Helper Spring Kit; Rear; Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;\n\u003cul\u003e\n  \u003cli\u003eKeep Headlights Aimed On The Road\u003c\/li\u003e\n  \u003cli\u003eImprove Braking Effectiveness\u003c\/li\u003e\n  \u003cli\u003eImprove Steering And Balance\u003c\/li\u003e\n  \u003cli\u003eIncrease Vehicle Stability\u003c\/li\u003e\n  \u003cli\u003eMaintain A Level Vehicle\u003c\/li\u003e\n  \u003cli\u003ePrevent Bottoming Out\u003c\/li\u003e\n  \u003cli\u003eReduce Tire Wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBrief Description:\u003c\/strong\u003e The Firestone Coil-Rite rear air helper spring kit is designed for vehicles with coil spring suspension. The air helper springs install inside the existing coil springs to create a variable spring rate, helping level the vehicle and support improved braking and handling under heavy loading and changing road conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Performance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVariable spring rate: Adjust air pressure to accommodate varying loads and road conditions.\u003c\/li\u003e\n\u003cli\u003eVehicle leveling: Helps maintain a level vehicle and keep headlights aimed on the road.\u003c\/li\u003e\n\u003cli\u003eHandling support: Assists with steering, balance, stability and braking effectiveness.\u003c\/li\u003e\n\u003cli\u003eBottoming and wear reduction: Helps prevent bottoming out and reduce tire wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Firestone\u003c\/li\u003e\n\u003cli\u003ePart number: fir4157\u003c\/li\u003e\n\u003cli\u003eProduct line: Coil-Rite\u003c\/li\u003e\n\u003cli\u003eApplication position: Rear\u003c\/li\u003e\n\u003cli\u003eSpring material: Elastic polyurethane\u003c\/li\u003e\n\u003cli\u003eSupport capacity: 500–1,000 lb per set\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°F to 180°F\u003c\/li\u003e\n\u003cli\u003eInstallation requirement: No drilling required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included in the Box:\u003c\/strong\u003e Air helper springs, supports, hardware, air line and inflation valves.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Listed fitment data includes 2005 and 2006 Jeep Wrangler applications. Do not exceed the vehicle's gross vehicle weight rating.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1997 Jeep Wrangler Sahara\u003cbr\u003e\n1997 Jeep Wrangler SE\u003cbr\u003e\n1997 Jeep Wrangler Sport\u003cbr\u003e\n1998 Jeep Wrangler Sahara\u003cbr\u003e\n1998 Jeep Wrangler SE\u003cbr\u003e\n1998 Jeep Wrangler Sport\u003cbr\u003e\n1999 Jeep Wrangler Sahara\u003cbr\u003e\n1999 Jeep Wrangler SE\u003cbr\u003e\n1999 Jeep Wrangler Sport\u003cbr\u003e\n2000 Jeep Wrangler Sahara\u003cbr\u003e\n2000 Jeep Wrangler SE\u003cbr\u003e\n2000 Jeep Wrangler Sport\u003cbr\u003e\n2001 Jeep Wrangler Sahara\u003cbr\u003e\n2001 Jeep Wrangler SE\u003cbr\u003e\n2001 Jeep Wrangler Sport\u003cbr\u003e\n2002 Jeep Wrangler Sahara\u003cbr\u003e\n2002 Jeep Wrangler SE\u003cbr\u003e\n2002 Jeep Wrangler Sport\u003cbr\u003e\n2002 Jeep Wrangler X\u003cbr\u003e\n2003 Jeep Wrangler Rubicon\u003cbr\u003e\n2003 Jeep Wrangler Sahara\u003cbr\u003e\n2003 Jeep Wrangler SE\u003cbr\u003e\n2003 Jeep Wrangler Sport\u003cbr\u003e\n2003 Jeep Wrangler X\u003cbr\u003e\n2004 Jeep Wrangler Rubicon\u003cbr\u003e\n2004 Jeep Wrangler Sahara\u003cbr\u003e\n2004 Jeep Wrangler SE\u003cbr\u003e\n2004 Jeep Wrangler Sport\u003cbr\u003e\n2004 Jeep Wrangler Unlimited\u003cbr\u003e\n2004 Jeep Wrangler X\u003cbr\u003e\n2005 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2005 Jeep Grand Cherokee Limited\u003cbr\u003e\n2005 Jeep Wrangler Rubicon\u003cbr\u003e\n2005 Jeep Wrangler SE\u003cbr\u003e\n2005 Jeep Wrangler Sport\u003cbr\u003e\n2005 Jeep Wrangler Unlimited\u003cbr\u003e\n2005 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2005 Jeep Wrangler X\u003cbr\u003e\n2006 Jeep Commander 65th Anniversary Edition\u003cbr\u003e\n2006 Jeep Commander Base\u003cbr\u003e\n2006 Jeep Commander Limited\u003cbr\u003e\n2006 Jeep Grand Cherokee 65th Anniversary Edition\u003cbr\u003e\n2006 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2006 Jeep Grand Cherokee Limited\u003cbr\u003e\n2006 Jeep Grand Cherokee Overland\u003cbr\u003e\n2006 Jeep Grand Cherokee SRT8\u003cbr\u003e\n2006 Jeep Wrangler 65th Anniversary Edition\u003cbr\u003e\n2006 Jeep Wrangler Rubicon\u003cbr\u003e\n2006 Jeep Wrangler SE\u003cbr\u003e\n2006 Jeep Wrangler Sport\u003cbr\u003e\n2006 Jeep Wrangler Unlimited\u003cbr\u003e\n2006 Jeep Wrangler Unlimited Rubicon\u003cbr\u003e\n2006 Jeep Wrangler X\u003cbr\u003e\n2007 Jeep Commander Base\u003cbr\u003e\n2007 Jeep Commander Limited\u003cbr\u003e\n2007 Jeep Commander Overland\u003cbr\u003e\n2007 Jeep Commander Sport\u003cbr\u003e\n2007 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2007 Jeep Grand Cherokee Limited\u003cbr\u003e\n2007 Jeep Grand Cherokee Overland\u003cbr\u003e\n2007 Jeep Grand Cherokee SRT8\u003cbr\u003e\n2008 Jeep Commander Limited\u003cbr\u003e\n2008 Jeep Commander Overland\u003cbr\u003e\n2008 Jeep Commander Sport\u003cbr\u003e\n2008 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2008 Jeep Grand Cherokee Limited\u003cbr\u003e\n2008 Jeep Grand Cherokee Overland\u003cbr\u003e\n2008 Jeep Grand Cherokee SRT8\u003cbr\u003e\n2009 Jeep Commander Limited\u003cbr\u003e\n2009 Jeep Commander Overland\u003cbr\u003e\n2009 Jeep Commander Sport\u003cbr\u003e\n2009 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2009 Jeep Grand Cherokee Limited\u003cbr\u003e\n2009 Jeep Grand Cherokee Overland\u003cbr\u003e\n2009 Jeep Grand Cherokee SRT8\u003cbr\u003e\n2010 Jeep Commander Limited\u003cbr\u003e\n2010 Jeep Commander Sport\u003cbr\u003e\n2010 Jeep Grand Cherokee Laredo\u003cbr\u003e\n2010 Jeep Grand Cherokee Limited\u003cbr\u003e\n2010 Jeep Grand Cherokee SRT8\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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