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).

This Part Fits:

Year	Make	Model	Submodel
2013-2021	Ram	2500	Big Horn
2013-2021	Ram	2500	Laramie
2014-2015	Ram	2500	Laramie Limited
2013-2021	Ram	2500	Laramie Longhorn
2016-2021	Ram	2500	Limited
2021	Ram	2500	Limited Longhorn
2013-2015,2019-2021	Ram	2500	Lone Star
2013-2016	Ram	2500	Outdoorsman
2013-2021	Ram	2500	Power Wagon
2013-2018	Ram	2500	SLT
2013	Ram	2500	ST
2013-2021	Ram	2500	Tradesman
2013-2021	Ram	3500	Big Horn
2013-2021	Ram	3500	Laramie
2014-2015	Ram	3500	Laramie Limited
2013-2020	Ram	3500	Laramie Longhorn
2016-2021	Ram	3500	Limited
2021	Ram	3500	Limited Longhorn
2013-2015,2017,2019-2021	Ram	3500	Lone Star
2013-2021	Ram	3500	SLT
2013	Ram	3500	ST
2013-2021	Ram	3500	Tradesman