
Firestone "Coil-Rite" Dodge Durango air helper springs are designed to fit inside existing coil spring suspensions creating a variable rate spring. These air helper springs are made of durable, elastic polyurethane providing years of comfort and stability to your vehicle. "Coil-Rite" air helper springs enable adjustment for varying loads and road conditions by inflating or deflating the air helper springs. Spring performance can be altered as easily as inflating a tire.
*Do NOT exceed the vehicles Recommended Gross Vehicle Weight Rating (GVWR)
