{"product_id":"firestone-coil-rite-air-helper-spring-kit-rear-06-10-jeep-cherokee-w237604157","title":"Firestone Coil-Rite Air Helper Spring Kit (REAR): Jeep Grand Cherokee \/ Commander \/ Wrangler 1997-2010","description":"\u003ch1\u003eFirestone Coil-Rite Air Helper Spring Kit (REAR)\u003c\/h1\u003e\n\u003ch2\u003e1997–2010 Jeep Grand Cherokee \/ Commander \/ Wrangler Various Engines\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 4157\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Firestone Coil-Rite Air Helper Spring Kit is engineered to enhance the ride quality and handling of Jeep vehicles equipped with coil spring suspensions. Designed specifically for the rear coil springs of Jeep Grand Cherokee, Commander, and Wrangler models from 1997 to 2010, this kit provides a variable spring rate that adapts to changing loads and road conditions. By fitting inside your existing coil springs, the Coil-Rite system helps level your vehicle, improve braking efficiency, and maintain stability even under heavy loads or challenging terrain.\u003c\/p\u003e\n\u003cp\u003eThis kit is ideal for Jeep owners who frequently carry heavy cargo, tow trailers, or encounter uneven road surfaces and want to maintain a smooth, controlled ride without sacrificing comfort or safety.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThe Firestone Coil-Rite Air Helper Spring Kit offers a range of benefits designed to optimize your vehicle’s suspension performance:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits inside existing rear coil springs for seamless integration\u003c\/li\u003e\n  \u003cli\u003eProvides a variable spring rate adjustable via air pressure\u003c\/li\u003e\n  \u003cli\u003eSupports additional loads of 500 to 1000 lbs per set, depending on inflation\u003c\/li\u003e\n  \u003cli\u003eImproves vehicle leveling, reducing sag and sway under heavy loads\u003c\/li\u003e\n  \u003cli\u003eEnhances braking and handling stability in adverse conditions\u003c\/li\u003e\n  \u003cli\u003eEasy to adjust air pressure with a simple inflation process similar to a tire\u003c\/li\u003e\n  \u003cli\u003eDurable polyurethane construction resists wear and environmental damage\u003c\/li\u003e\n  \u003cli\u003eOperates reliably in extreme temperatures from -40°F to 180°F (-40°C to 82°C)\u003c\/li\u003e\n  \u003cli\u003eCompatible with multiple Jeep models and engine configurations from 1997 to 2010\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe Coil-Rite air helper springs are crafted from high-quality, elastic polyurethane, a material chosen for its durability and flexibility. This construction allows the air springs to absorb shocks and maintain consistent support without cracking or degrading over time. The design fits snugly inside your vehicle’s existing coil springs, preserving the original suspension geometry while providing additional load-carrying capacity. The air springs are engineered to withstand extreme temperatures and harsh road conditions, ensuring long-lasting performance and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eInstallation of the Firestone Coil-Rite kit is straightforward and requires no permanent modifications to your vehicle’s suspension. The air helper springs are inserted inside the rear coil springs and connected to an air inflation system that allows you to adjust pressure as needed. This adjustability lets you tailor the spring rate to your current load and driving conditions, providing a customizable ride experience. The kit is designed to fit the following Jeep models and engine options:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1997–2006 Jeep Wrangler 4.0L Inline 6\u003c\/li\u003e\n  \u003cli\u003e1997–2002 Jeep Wrangler 2.5L Inline 4\u003c\/li\u003e\n  \u003cli\u003e2005–2010 Jeep Grand Cherokee 3.7L V6\u003c\/li\u003e\n  \u003cli\u003e2005–2010 Jeep Grand Cherokee 5.7L Hemi\u003c\/li\u003e\n  \u003cli\u003e2006–2010 Jeep Grand Cherokee 6.1L SRT8\u003c\/li\u003e\n  \u003cli\u003e2006–2010 Jeep Commander 3.7L V6\u003c\/li\u003e\n  \u003cli\u003e2006–2010 Jeep Commander 5.7L Hemi\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo Firestone Coil-Rite air helper springs (rear)\u003c\/li\u003e\n  \u003cli\u003eAir inflation fittings and hardware\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis air helper spring kit is perfect for Jeep owners who:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRegularly haul heavy cargo or tow trailers\u003c\/li\u003e\n  \u003cli\u003eSeek improved ride comfort and vehicle stability\u003c\/li\u003e\n  \u003cli\u003eDrive on rough, uneven, or off-road terrain\u003c\/li\u003e\n  \u003cli\u003eWant an adjustable suspension solution without permanent modifications\u003c\/li\u003e\n  \u003cli\u003eOwn Jeep Grand Cherokee, Commander, or Wrangler models from 1997 to 2010\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Firestone","offers":[{"title":"Default Title","offer_id":48209051844820,"sku":"4157","price":158.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/10db5603403043c34f37a31842539935.jpg?v=1783234919","url":"https:\/\/fasthemis.com\/products\/firestone-coil-rite-air-helper-spring-kit-rear-06-10-jeep-cherokee-w237604157","provider":"FastHemis","version":"1.0","type":"link"}