Helper Spring Kit Firestone Industrial 4138 Firestone Industrial 

Helper Spring Kit; Coil-Rite ™; Air Spring; Mounts Inside Coil Spring; 500 to 1000 Pound Leveling Capacity; Adjustable from 5 to 35 PSI; Polyurethane; Includes Air Springs/Brackets/Air Line/Hardware; Air Compressor Sold Separately Discover the difference Coil-Rite air helper springs can make in improving the ride, handling and braking of your vehicle. Coil-Rite air helper springs provide extra support for coil springs in cars, minivans, vans, light trucks, RV’s and SUV’s. The adjustable Coil-Rite air helper springs will level your vehicle, provide a smoother ride, and assist with more effective braking and handling, even under heavy loading and adverse road conditions. Coil-Rite 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. Firestone’s Coil-Rite air helper springs enable adjustment for varying loads and road conditions by controlling the air pressure in the air helper springs. Spring performance can be altered as easily as inflating a tire. The air springs will support 500 To 1000 Pounds per set.
Type: Air Spring
Load Capacity: 1000 Pound
With Air Compressor: No
Color: Black
Quantity: Set Of 2
Pressure Range: 5 To 35 Pounds Per Square Inch
Material: Urethane
Mounting Type: Coil Spring Mount
With Bellows: No
With Air Line: Yes
With Roll Plate: No
With Valve: Yes
Remote Type: Not Applicable
With Mounting Hardware: Yes
Estimated Install Time (Hours): 1