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Firestone "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. "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. Firestone "Ride Rite" air helper springs are installed between the frame of the vehicle and the suspension providing load support through the use of air pressure.
Features
- Firestone # 4100 Air Bags are custom fit for the Chevy Truck
- Easy installation (1 to 2 hours)
- Will handle loads capacities up to 500-1000 lbs*
- Reduce suspension fatigue
- Improve steering and balance
- Increase vehicle stability
- Prevent "bottom" out
- Limited Lifetime Warranty
| Download Instructions | 4100 Instructions |
1. Do NOT exceed the vehicles Recommended Gross Vehicle Weight Rating (GVWR)
Fits the Following Model:
Chevy Truck
Fits the Following Years:
73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87
1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
