{"product_id":"firestone-coil-rite-air-helper-spring-kit-rear-98-17-toyota-4runner-w237604135","title":"Firestone 4135 Coil-Rite Rear Air Spring Kit; For Toyota","description":"\u003cp\u003eThe Firestone Coil-Rite Air Helper Spring Kit Rear is a performance upgrade designed for vehicles with coil spring suspensions. This kit features air helper springs that fit inside existing coil springs to provide a variable spring rate, helping to level the vehicle and improve braking and handling under heavy loads or challenging road conditions. Constructed from durable, elastic polyurethane, these springs support 500-1000 lbs per set (not exceeding the vehicle's GVWR) and allow for easy air pressure adjustments, enabling precise load leveling and ride comfort. The Coil-Rite system enhances vehicle stability and comfort by enabling quick modifications to spring performance, similar to inflating a tire, making it ideal for towing or carrying heavy loads.\u003c\/p\u003e\n\u003cp\u003eThis kit is compatible with 1998-2017 Toyota 4Runner models, regardless of engine configuration, and is designed for rear installation. It is suitable for use in a wide temperature range from -40°F to 180°F, ensuring reliable performance in various climates. The installation involves fitting the air springs inside the existing coil springs, providing a straightforward upgrade for improved load support and ride quality. The kit is intended for daily driving, towing, and off-road use, offering enhanced stability and control when carrying heavy loads or navigating uneven terrain.\u003c\/p\u003e","brand":"Firestone","offers":[{"title":"Default Title","offer_id":52582775488799,"sku":"4135","price":158.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/10db5603403043c34f37a31842539935_42909fe2-7494-4095-801e-4cb5bb139beb.jpg?v=1780028315","url":"https:\/\/shop.wheelflip.com\/products\/firestone-coil-rite-air-helper-spring-kit-rear-98-17-toyota-4runner-w237604135","provider":"WheelFlip","version":"1.0","type":"link"}