Firestone "Coil-Rite" air bag helper springs are designed to fit inside the existing coil spring suspension creating a variable rate spring. These air bags are made of durable, elastic polyurethane providing years of comfort and stability to your vehicle. "Coil-Rite" air bags enable adjustment for varying loads and road conditions by inflating or deflating the springs. Performance can be altered as easily as inflating a tire. Installed between the frame of the vehicle and the suspension providing load support through the use of air pressure.

Features and Benefits

  • Firestone Air Bags are custom fit for the Buick Riviera
  • Easy installation (1 to 2 hours)
  • Includes (2) air bag helper springs and any required hardware
  • 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

Installation Notes

1. Do NOT exceed the vehicles Recommended Gross Vehicle Weight Rating (GVWR)

Tech Specs

Download Instructions 4106 Instructions
Level Load Capacity: 500 lbs to 1000 lbs
Average Install Time: 1 to 2 hours
Front or Rear Axle: Rear
Drilling Required (Yes or No): No
Weight: 10 lbs.
Part 4106 fits:
  • 1985 Buick Riviera
  • 1984 Buick Riviera
  • 1983 Buick Riviera
  • 1982 Buick Riviera
  • 1981 Buick Riviera
  • 1980 Buick Riviera
  • 1979 Buick Riviera

Customer Questions & Answers

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Will these raise the rear if needed?
This kit is not designed to lift the vehicle. These bags are designed to help with weight and keeping the vehicle from sagging up to an extra 1000 lbs.


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