Fabtech Rear Add-A-Leaf Kit — Fits 2017-2021 Ford F-250 F-350 Super Duty

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SKU: FABFTS218
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Sale price$170.99 Regular price$189.52
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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 Fabtech

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

Watch in action

Enhance Your Payload with Fabtech Add-A-Leaf

The Fabtech Rear Add-A-Leaf Kit is engineered to provide your 2017-2021 Ford F-250 or F-350 Super Duty with the extra support needed for heavy-duty hauling and towing. By integrating seamlessly into your existing rear leaf spring pack, this kit increases the load-carrying capacity of your vehicle, reducing rear-end sag when under heavy loads.

Key Features and Benefits

  • Increases rear suspension load capacity
  • Reduces rear-end sag under heavy payloads
  • Durable construction for long-lasting performance
  • Maintains factory ride quality when unloaded
  • Easy installation for DIY or professional shops

This kit is specifically designed for 2017-2021 Ford F-250 and F-350 Super Duty models, including XL, XLT, Lariat, King Ranch, Platinum, and Limited trims. Please note: This kit is not compatible with vehicles equipped with the Tremor Off-Road Package. Whether you are hauling heavy equipment for work or towing a trailer for the weekend, this add-a-leaf solution provides the structural reinforcement your truck requires. Trust the engineering expertise of Fabtech to deliver a reliable suspension upgrade that stands up to the toughest conditions. Find all your suspension needs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2021 Ford F-250 Super Duty King Ranch
2017-2021 Ford F-250 Super Duty Lariat
2017-2021 Ford F-250 Super Duty Platinum
2017-2021 Ford F-250 Super Duty XL
2017-2021 Ford F-250 Super Duty XLT
2018-2021 Ford F-250 Super Duty Limited
2017-2021 Ford F-350 Super Duty Lariat
2017-2021 Ford F-350 Super Duty Platinum
2017-2021 Ford F-350 Super Duty XL
2017-2021 Ford F-350 Super Duty XLT
2018-2021 Ford F-350 Super Duty Limited

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fabtech

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

Watch in action

Enhance Your Payload with Fabtech Add-A-Leaf

The Fabtech Rear Add-A-Leaf Kit is engineered to provide your 2017-2021 Ford F-250 or F-350 Super Duty with the extra support needed for heavy-duty hauling and towing. By integrating seamlessly into your existing rear leaf spring pack, this kit increases the load-carrying capacity of your vehicle, reducing rear-end sag when under heavy loads.

Key Features and Benefits

  • Increases rear suspension load capacity
  • Reduces rear-end sag under heavy payloads
  • Durable construction for long-lasting performance
  • Maintains factory ride quality when unloaded
  • Easy installation for DIY or professional shops

This kit is specifically designed for 2017-2021 Ford F-250 and F-350 Super Duty models, including XL, XLT, Lariat, King Ranch, Platinum, and Limited trims. Please note: This kit is not compatible with vehicles equipped with the Tremor Off-Road Package. Whether you are hauling heavy equipment for work or towing a trailer for the weekend, this add-a-leaf solution provides the structural reinforcement your truck requires. Trust the engineering expertise of Fabtech to deliver a reliable suspension upgrade that stands up to the toughest conditions. Find all your suspension needs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2021 Ford F-250 Super Duty King Ranch
2017-2021 Ford F-250 Super Duty Lariat
2017-2021 Ford F-250 Super Duty Platinum
2017-2021 Ford F-250 Super Duty XL
2017-2021 Ford F-250 Super Duty XLT
2018-2021 Ford F-250 Super Duty Limited
2017-2021 Ford F-350 Super Duty Lariat
2017-2021 Ford F-350 Super Duty Platinum
2017-2021 Ford F-350 Super Duty XL
2017-2021 Ford F-350 Super Duty XLT
2018-2021 Ford F-350 Super Duty Limited

Product Details

Product Description

About Fabtech

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

Watch in action

Enhance Your Payload with Fabtech Add-A-Leaf

The Fabtech Rear Add-A-Leaf Kit is engineered to provide your 2017-2021 Ford F-250 or F-350 Super Duty with the extra support needed for heavy-duty hauling and towing. By integrating seamlessly into your existing rear leaf spring pack, this kit increases the load-carrying capacity of your vehicle, reducing rear-end sag when under heavy loads.

Key Features and Benefits

  • Increases rear suspension load capacity
  • Reduces rear-end sag under heavy payloads
  • Durable construction for long-lasting performance
  • Maintains factory ride quality when unloaded
  • Easy installation for DIY or professional shops

This kit is specifically designed for 2017-2021 Ford F-250 and F-350 Super Duty models, including XL, XLT, Lariat, King Ranch, Platinum, and Limited trims. Please note: This kit is not compatible with vehicles equipped with the Tremor Off-Road Package. Whether you are hauling heavy equipment for work or towing a trailer for the weekend, this add-a-leaf solution provides the structural reinforcement your truck requires. Trust the engineering expertise of Fabtech to deliver a reliable suspension upgrade that stands up to the toughest conditions. Find all your suspension needs at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2021 Ford F-250 Super Duty King Ranch
2017-2021 Ford F-250 Super Duty Lariat
2017-2021 Ford F-250 Super Duty Platinum
2017-2021 Ford F-250 Super Duty XL
2017-2021 Ford F-250 Super Duty XLT
2018-2021 Ford F-250 Super Duty Limited
2017-2021 Ford F-350 Super Duty Lariat
2017-2021 Ford F-350 Super Duty Platinum
2017-2021 Ford F-350 Super Duty XL
2017-2021 Ford F-350 Super Duty XLT
2018-2021 Ford F-350 Super Duty Limited

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