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Firestone #4112 "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 # 4112 Air Bags are custom fit for the Toyota 4Runner
- Easy installation (1 to 2 hours)
- Firestone #4112 will handle loads capacities up to 500-1000 lbs*
- Reduce suspension fatigue
- Improve steering and balance
- Increase vehicle stability
- Prevent "bottom" out
- Firestone Limited Lifetime Warranty
| Download Instructions | 4112 Instructions |
1. Do NOT exceed the vehicles Recommended Gross Vehicle Weight Rating (GVWR)
Fits the Following Model:
Toyota 4Runner
Fits the Following Years:
90, 91, 92, 93, 94, 95
1990, 1991, 1992, 1993, 1994, 1995
