AIR SPRING KIT 99-04 S/DUTY/08-10 S/DUTY

FIRESTONE REAR AIR HELPER SPRINGS ; 99-04 SUPER DUTY/ 08-10 SUPER DUTY (EXC CAB & CHASSIS)

• Keep The Vehicle Level
• Level Off-Center Loads
• Reduce Suspension Fatigue
• Air Adjustments Improves The Ride
• Reduce Bottoming Out
• Increase Vehicle Stability