Enhance your vehicle's performance with the Firestone 4108 Rear Suspension Leveling Kit, expertly designed to fit various models including Chevrolet, Cadillac, and Hummer. This kit features durable polyurethane air helper springs that integrate seamlessly with your coil springs, providing adjustable support for 500-1000 lbs. per set without exceeding GVWR. Enjoy improved steering, balance, and braking, even under heavy load or harsh road conditions, with easy air pressure customization for your needs. Installation is hassle-free with included hardware and no drilling required, ensuring a quick upgrade to your vehicle's ride and handling. Experience reduced tire wear, maintain a level stance, and keep headlights aimed accurately for safer night driving.

• Durable polyurethane construction
• Supports 500-1000 lbs. per set
• No drilling required for installation
• Adjustable air pressure control
• Enhances vehicle stability and handling

Position:	Rear
Dimensions:	9x9x11 inches
Weight:	4.1 lbs
Material:	Elastic Polyurethane
Operating Temperature:	-40°F to 180°F

• 1983-1997 Mercury Grand Marquis | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2000-2014 Chevrolet Suburban 1500 | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2002-2009 GMC Envoy | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2007-2013 Chevrolet Avalanche | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2015-2020 Cadillac Escalade ESV | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension~Install Time 1 Hour~No Drilling Required
• 2015-2017 Chevrolet Tahoe | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension~Install Time 1 Hour~No Drilling Required
• 2018-2020 Chevrolet Suburban | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required
• 2018-2019 Chevrolet Suburban | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension
• 2018 Chevrolet Tahoe | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension
• 1981-1989 Lincoln Town Car | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 1987-1991 Ford Country Squire | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 1987-1991 Mercury Colony Park | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 1992-1997 Ford Crown Victoria | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2000-2014 Chevrolet Tahoe | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2000-2014 GMC Yukon XL 1500 | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2002-2014 Cadillac Escalade | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2002-2013 Cadillac Escalade EXT | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2002-2006 Chevrolet Avalanche 1500 | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2002-2009 Chevrolet Trailblazer | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2003-2014 Cadillac Escalade ESV | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2003-2009 Hummer H2 | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;Install Time 1 Hour~No Drilling Required
• 2015-2017 Cadillac Escalade | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension~Install Time 1 Hour~No Drilling Required
• 2015-2017 Chevrolet Suburban | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension~Install Time 1 Hour~No Drilling Required
• 2018-2019 Cadillac Escalade | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;For Use w/Factory Autoride Suspension
• 2019-2020 Chevrolet Tahoe | Position: Rear | Note: Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required