{"product_id":"firestone-coil-rite-air-helper-spring-kit-4135","title":"Firestone Coil-Rite Air Helper Spring Kit (MPN: 4135)","description":"\u003ch2\u003eEnhance vehicle stability and ride quality with adjustable air springs.\u003c\/h2\u003e\r\n\u003cp\u003eThe Firestone Coil-Rite Air Helper Spring Kit is designed to improve the ride, handling, and braking of various vehicles including cars, minivans, vans, light trucks, RVs, and SUVs. These air helper springs fit inside existing coil spring suspensions, providing additional support and creating a variable rate spring that adjusts to varying loads and road conditions. Made from durable polyurethane, the Coil-Rite springs are engineered to withstand the rigors of coil-sprung suspensions while offering a smooth ride and enhanced vehicle stability.\u003c\/p\u003e\r\n\u003cp\u003eWith a load capacity of 500 to 1000 pounds, these air springs can be easily adjusted from 5 to 35 PSI, allowing for precise control over the vehicle's performance. The installation process is straightforward, requiring no drilling, and includes all necessary components such as brackets, air springs, hardware, and air line for a quick setup. The protective air cushion feature helps reduce bottoming out, ensuring a comfortable experience for both passengers and cargo.\u003c\/p\u003e\r\n\u003cp\u003eBy utilizing the Firestone Coil-Rite Air Helper Springs, drivers can expect improved steering control, effective braking, and reduced tire wear. This innovative solution not only enhances the overall driving experience but also provides the flexibility to adapt to different load conditions, making it a valuable addition to any vehicle's suspension system.\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eMade Of Durable Polyurethane To Withstand The Rigors Of Coil-Sprung Suspensions\u003c\/li\u003e\r\n    \u003cli\u003eIncrease Vehicle Stability: Absorbs Road Shock Providing A Smooth Ride For Passengers And Load\u003c\/li\u003e\r\n    \u003cli\u003eKeep The Vehicle Level: Improves Steering Control And Braking Effectiveness, Levels Headlight Beams And Reduces Tire Wear\u003c\/li\u003e\r\n    \u003cli\u003eReduce Bottoming Out: Protective Air Cushion Softens Contact Between The Axle And Frame\u003c\/li\u003e\r\n    \u003cli\u003eDiscover The Difference Coil-Rite Air Helper Springs Can Make In Improving The Ride, Handling And Braking Of Your Vehicle\u003c\/li\u003e\r\n    \u003cli\u003eNo Drill Installation\u003c\/li\u003e\r\n    \u003cli\u003eEverything Is Included For A Quick, Easy Installation. Brackets, Air Springs, Hardware, Air Line, And Separate Valves For Manual Inflation\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufacturer: Firestone Industrial\u003c\/li\u003e\r\n    \u003cli\u003eManufacturer Part Number: 4135\u003c\/li\u003e\r\n    \u003cli\u003eType: Air Spring\u003c\/li\u003e\r\n    \u003cli\u003eLoad Capacity: 1000 Pound\u003c\/li\u003e\r\n    \u003cli\u003eWith Air Compressor: No\u003c\/li\u003e\r\n    \u003cli\u003eColor: Black\u003c\/li\u003e\r\n    \u003cli\u003eQuantity: Set Of 2\u003c\/li\u003e\r\n    \u003cli\u003ePressure Range: 5 To 35 Pounds Per Square Inch\u003c\/li\u003e\r\n    \u003cli\u003eMaterial: Urethane\u003c\/li\u003e\r\n    \u003cli\u003eMounting Type: Coil Spring Mount\u003c\/li\u003e\r\n    \u003cli\u003eWith Bellows: No\u003c\/li\u003e\r\n    \u003cli\u003eWith Air Line: Yes\u003c\/li\u003e\r\n    \u003cli\u003eWith Roll Plate: No\u003c\/li\u003e\r\n    \u003cli\u003eWith Valve: Yes\u003c\/li\u003e\r\n    \u003cli\u003eRemote Type: Not Applicable\u003c\/li\u003e\r\n    \u003cli\u003eWith Mounting Hardware: Yes\u003c\/li\u003e\r\n    \u003cli\u003eEstimated Install Time (Hours): 1\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eCompatibility \/ Fit\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e2013-2021 Lexus LX570\u003c\/li\u003e\r\n    \u003cli\u003e1998-2026 Toyota 4Runner\u003c\/li\u003e\r\n    \u003cli\u003e2007-2014 Toyota FJ Cruiser\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cul\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/FRS\/InstallationInstructions\/W237604135.pdf\" target=\"_blank\"\u003eW237604135.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eProduct Videos\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/vehiclepartimages.com\/PMDT\/FRS\/Videos\/Firestone%20%20Benefits%20of%20Air%20Springs%20360p.mp4?autoplay=0\" loading=\"lazy\" style=\"max-width: 560px; width: 100%; aspect-ratio: 560\/360;\" frameborder=\"0\" allow=\"accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\r\n","brand":"NTP-Stag","offers":[{"title":"Default Title","offer_id":47196079915247,"sku":"F364135","price":183.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/4135.png?v=1767376761","url":"https:\/\/www.sprinterpartsdepot.com\/products\/firestone-coil-rite-air-helper-spring-kit-4135","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}