Firestone Coil-Rite Air Helper Spring Kit Rear 98-17 Toyota 4Runner (W237604135)

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). 4Runner Fitment: Lexus LX570 Base 2013 to 2018 Toyota 4Runner Base 1998 to 2001 Toyota 4Runner Limited 1998 to 2021 Toyota 4Runner Sport 2003 to 2009 Toyota 4Runner SR5 1998 to 2021 Toyota 4Runner SR5 Premium 2018 to 2021 Toyota 4Runner Trail 2010 to 2016 Toyota 4Runner Trail 2021 Toyota 4Runner TRD Off-Road 2017 to 2021 Toyota 4Runner TRD Pro 2015 to 2021 Toyota FJ Cruiser Base 2007 to 2014 Toyota FJ Cruiser Trail Teams Special Edition 2008