FIRESTONE REAR AIR HELPER SPRINGS ; 19-25 SILVERADO/SIERRA 1500 GAS (REQUIRES FIR-2366 LIFT SPACER KIT FOR INSTALL ON Z-71,HIGH COUNTRY,TRAILBOSS AT4 & X31 MODELS WITH FACTORY 2 INCH LIFT)
- Keep The Vehicle Level
- Level Off-Center Loads
- Reduce Suspension Fatigue
- Air Adjustments Improves The Ride
- Reduce Bottoming Out
- Increase Vehicle Stability
