Firestone Ride-Rite Air Helper Spring Kit Rear — Fits 99-20 Ford F-350 & GM 3500

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SKU: FIR2176
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Firestone

Firestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Firestone lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Professional-Grade Suspension Support for Ford and GM

Upgrade your heavy-duty work truck with the Firestone Ride-Rite Air Helper Spring Kit. Specifically designed for Ford F-350/F-450 Cab Chassis and GM 3500 HD models, this kit is the gold standard for maintaining ride height and stability under extreme loads. Whether you are towing a heavy trailer or carrying a heavy bed load, these air springs provide the necessary support to keep your truck performing safely.

Why Choose Firestone Ride-Rite?

  • Custom Fitment: Engineered for precise fitment on Ford F-350/F-450 and GM 3500 HD chassis.
  • Load Leveling: Easily adjust air pressure to keep your vehicle level, regardless of the cargo weight.
  • Reduced Wear: Minimizes stress on your factory leaf springs, extending the life of your suspension.
  • Side-to-Side Adjustment: Individual inflation valves allow for independent adjustment to correct off-center loads.
  • Improved Ride Quality: Dampens road vibrations and reduces harshness for a more comfortable drive.

Firestone’s Ride-Rite technology is the industry leader for a reason. By adding air-adjustable support, you gain the ability to customize your suspension's response to your specific driving needs. This kit is designed to be robust, reliable, and effective, ensuring that your truck is always ready for the job ahead. Enhance your towing and hauling capabilities with this high-performance suspension solution available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2012 Chevrolet Silverado 3500 HD LT
2011-2012 Chevrolet Silverado 3500 HD LTZ
2011-2012 Chevrolet Silverado 3500 HD WT
1999-2008 Ford F-350 Super Duty XLT
1999-2008 Ford F-350 Super Duty Lariat
1999-2008 Ford F-350 Super Duty XL
2004-2008 Ford F-350 Super Duty Harley-Davidson Edition
2008 Ford F-350 Super Duty FX4
2017-2020 Ford F-350 Super Duty XLT
2017-2020 Ford F-350 Super Duty King Ranch
2017-2020 Ford F-350 Super Duty Lariat
2017-2020 Ford F-350 Super Duty Platinum
2018-2020 Ford F-350 Super Duty Limited
2011-2012 GMC Sierra 3500 HD SLE
2011-2012 GMC Sierra 3500 HD SLT
2011-2012 GMC Sierra 3500 HD WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Firestone

Firestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Firestone lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Professional-Grade Suspension Support for Ford and GM

Upgrade your heavy-duty work truck with the Firestone Ride-Rite Air Helper Spring Kit. Specifically designed for Ford F-350/F-450 Cab Chassis and GM 3500 HD models, this kit is the gold standard for maintaining ride height and stability under extreme loads. Whether you are towing a heavy trailer or carrying a heavy bed load, these air springs provide the necessary support to keep your truck performing safely.

Why Choose Firestone Ride-Rite?

  • Custom Fitment: Engineered for precise fitment on Ford F-350/F-450 and GM 3500 HD chassis.
  • Load Leveling: Easily adjust air pressure to keep your vehicle level, regardless of the cargo weight.
  • Reduced Wear: Minimizes stress on your factory leaf springs, extending the life of your suspension.
  • Side-to-Side Adjustment: Individual inflation valves allow for independent adjustment to correct off-center loads.
  • Improved Ride Quality: Dampens road vibrations and reduces harshness for a more comfortable drive.

Firestone’s Ride-Rite technology is the industry leader for a reason. By adding air-adjustable support, you gain the ability to customize your suspension's response to your specific driving needs. This kit is designed to be robust, reliable, and effective, ensuring that your truck is always ready for the job ahead. Enhance your towing and hauling capabilities with this high-performance suspension solution available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2012 Chevrolet Silverado 3500 HD LT
2011-2012 Chevrolet Silverado 3500 HD LTZ
2011-2012 Chevrolet Silverado 3500 HD WT
1999-2008 Ford F-350 Super Duty XLT
1999-2008 Ford F-350 Super Duty Lariat
1999-2008 Ford F-350 Super Duty XL
2004-2008 Ford F-350 Super Duty Harley-Davidson Edition
2008 Ford F-350 Super Duty FX4
2017-2020 Ford F-350 Super Duty XLT
2017-2020 Ford F-350 Super Duty King Ranch
2017-2020 Ford F-350 Super Duty Lariat
2017-2020 Ford F-350 Super Duty Platinum
2018-2020 Ford F-350 Super Duty Limited
2011-2012 GMC Sierra 3500 HD SLE
2011-2012 GMC Sierra 3500 HD SLT
2011-2012 GMC Sierra 3500 HD WT

Product Details

Product Description

About Firestone

Firestone engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Firestone lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Professional-Grade Suspension Support for Ford and GM

Upgrade your heavy-duty work truck with the Firestone Ride-Rite Air Helper Spring Kit. Specifically designed for Ford F-350/F-450 Cab Chassis and GM 3500 HD models, this kit is the gold standard for maintaining ride height and stability under extreme loads. Whether you are towing a heavy trailer or carrying a heavy bed load, these air springs provide the necessary support to keep your truck performing safely.

Why Choose Firestone Ride-Rite?

  • Custom Fitment: Engineered for precise fitment on Ford F-350/F-450 and GM 3500 HD chassis.
  • Load Leveling: Easily adjust air pressure to keep your vehicle level, regardless of the cargo weight.
  • Reduced Wear: Minimizes stress on your factory leaf springs, extending the life of your suspension.
  • Side-to-Side Adjustment: Individual inflation valves allow for independent adjustment to correct off-center loads.
  • Improved Ride Quality: Dampens road vibrations and reduces harshness for a more comfortable drive.

Firestone’s Ride-Rite technology is the industry leader for a reason. By adding air-adjustable support, you gain the ability to customize your suspension's response to your specific driving needs. This kit is designed to be robust, reliable, and effective, ensuring that your truck is always ready for the job ahead. Enhance your towing and hauling capabilities with this high-performance suspension solution available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2012 Chevrolet Silverado 3500 HD LT
2011-2012 Chevrolet Silverado 3500 HD LTZ
2011-2012 Chevrolet Silverado 3500 HD WT
1999-2008 Ford F-350 Super Duty XLT
1999-2008 Ford F-350 Super Duty Lariat
1999-2008 Ford F-350 Super Duty XL
2004-2008 Ford F-350 Super Duty Harley-Davidson Edition
2008 Ford F-350 Super Duty FX4
2017-2020 Ford F-350 Super Duty XLT
2017-2020 Ford F-350 Super Duty King Ranch
2017-2020 Ford F-350 Super Duty Lariat
2017-2020 Ford F-350 Super Duty Platinum
2018-2020 Ford F-350 Super Duty Limited
2011-2012 GMC Sierra 3500 HD SLE
2011-2012 GMC Sierra 3500 HD SLT
2011-2012 GMC Sierra 3500 HD WT

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