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FFG x Porterbuilt Ford F100 Chassis

Exclusively offered by Fat Fender Garage, discover our comprehensive chassis solutions tailored for Ford Trucks spanning from 1935 to 1979.
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Optimized Performance

Dedicated to continuous improvement, we actively refine our chassis designs beyond the industry norm. Our collaborative approach ensures your vehicle is equipped with the best-suited components—from colors and wheels to power options, tailoring each detail to your specific needs.

Superior Craftsmanship

Every part is crafted from U.S.-sourced steel and shaped using state-of-the-art Solidworks software, ensuring precision. Our components are laser cut, CNC formed, and welded in-house by skilled craftsmen who control every step of the production to guarantee the highest quality standards.

Expertly Engineered

With over 16 years of specialized experience, we've mastered the intricacies of these Ford trucks, from the factory tolerances to our advanced geometry. Our chassis are the most modular on the market, offering unmatched fitment and flexibility to meet and exceed your expectations.

ford f100 chassis kit fat fender garage level 1 1957-1960 f100

Level 1 - Coilover Suspension

Ideal for enthusiasts looking for a moderate improvement in their f100's stance without extensive modifications, the Level 1 Coilover Suspension offers a customizable ride with minimal changes to the truck's original body. Perfect for daily driver use and if you're looking for enhanced road handling and a subtle drop.

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Level 1 Standard Features

  • Adjustable Drop: Allows a 1” – 2” drop from stock ride height, maintaining the usability of your truck without the need to raise the bed floor.
  • Falcon Coilover Shocks: Features adjustable rebound, allowing you to adjust ride firmness to suit personal preferences and driving conditions.
  • Power Steering Rack: Upgraded with a Flaming River power steering rack for improved handling and driver feedback.
  • Exclusive Spindle Design: Utilizes Fat Fender Garage exclusive “non-drop” Spindle for a straightforward installation that aligns with factory setups.
  • Inner Frame Stiffener: Strengthens the chassis, significantly reducing flex and enhancing structural integrity for improved handling dynamics.
  • Front Sway Bar: Adds a front sway bar to enhance stability and reduce body roll during cornering.
  • Ford 9" Rear Housing: Currie F9 Fabricated 9” rear housing with 31 spline axles, upgradeable to 35 for higher torque and durability.
  • Inboard Coilovers: Inboard mounting of the coilovers increases wheel clearance, improving handling and allowing for wider tire installation.
  • 4-Link Rear Suspension: Features a 4-link rear suspension setup to provide superior handling characteristics and adjustable rear suspension.
  • Brake Upgrades Available: Comes standard with Wilwood 12” Brake kit; optional upgrades to 13”, 14”, or 16” available for enhanced stopping power.
  • Engine Compatibility: Designed to seamlessly accept most modern drivetrains, including Coyote, Godzilla, LT, and LS engines. Custom engine and transmission configurations can be accommodated by sending your engine/transmission to us for the build process.


ford f100 chassis kit fat fender garage level 2 slammed f100

Level 2 - Coilover Suspension

Designed for the serious modifier, Level 2 takes customization further with a significant drop, transforming your truck's appearance and driving dynamics. This setup is suited for those who wish to achieve a more aggressive stance while incorporating performance-oriented upgrades.

Get A Quote

Level 2 Standard Features

  • Adjustable Drop: Provides a 4” – 6” drop from stock ride height, requires modifications such as a raised bed floor and custom front inner wheel wells.
  • Falcon Coilover Shocks: Features adjustable rebound, allowing you to adjust ride firmness to suit personal preferences and driving conditions.
  • Power Steering Rack: Upgraded with a Flaming River power steering rack for improved handling and driver feedback.
  • Pro Spindle Upgrade: Features the Wilwood Pro Spindle, enhancing the front suspension geometry for better control at lower ride heights.
  • Inner Frame Stiffener: Strengthens the chassis, significantly reducing flex and enhancing structural integrity for improved handling dynamics.
  • Front Sway Bar: Adds a front sway bar to enhance stability and reduce body roll during cornering.
  • Ford 9" Rear Housing: Currie F9 Fabricated 9” rear housing with 31 spline axles, upgradeable to 35 for higher torque and durability.
  • Inboard Coilovers: Inboard mounting of the coilovers increases wheel clearance, improving handling and allowing for wider tire installation.
  • 4-Link Rear Suspension: Features a 4-link rear suspension setup to provide superior handling characteristics and adjustable rear suspension.
  • Brake Upgrades Available: Comes standard with Wilwood 12” Brake kit; optional upgrades to 13”, 14”, or 16” available for enhanced stopping power.
  • Engine Compatibility: Designed to seamlessly accept most modern drivetrains, including Coyote, Godzilla, LT, and LS engines. Custom engine and transmission configurations can be accommodated by sending your engine/transmission to us for the build process.


ford f100 chassis kit fat fender garage level 3 slammed f100 bagged f100

Level 3 - Air Ride Suspension

Level 3 is the ultimate transformation for your truck, offering a ground-hugging, show-ready stance that makes a statement. With an air ride suspension, you gain the flexibility to adjust ride height on the fly, ideal for both show and driving conditions.

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Level 3 Standard Features

  • Ground-Level Stance: Utilizes air suspension to lower the chassis to the ground, ideal for achieving a dramatic, show-ready appearance.
  • Adjustable Ride Height: Equipped with Air Lift Dominator front air bags and Firestone rear air bags, allowing for precise control of the vehicle’s ride height.
  • Integrated Air System: Features brackets designed to accommodate AccurAir’s Endo VT tank and two Viair compressors for a seamless and efficient setup.
  • Power Steering Rack: Upgraded with a Flaming River power steering rack for improved handling and driver feedback.
  • Pro Spindle Upgrade: Features the Wilwood Pro Spindle, enhancing the front suspension geometry for better control at lower ride heights.
  • Inner Frame Stiffener: Strengthens the chassis, significantly reducing flex and enhancing structural integrity for improved handling dynamics.
  • Front Sway Bar: Adds a front sway bar to enhance stability and reduce body roll during cornering.
  • Ford 9" Rear Housing: Currie F9 Fabricated 9” rear housing with 31 spline axles, upgradeable to 35 for higher torque and durability.
  • Watts Link: Added Watts link to the rear axle, ensuring superior lateral stability and precise axle positioning.
  • Rear Sway Bar: Includes a rear sway bar to reduce body roll, enhancing the vehicle’s performance and stability.
  • Dual Battery Trays: Provides accommodation for dual batteries, enhancing electrical capacity and redundancy for high-demand systems.
  • Brake Upgrades Available: Comes standard with Wilwood 12” Brake kit; optional upgrades to 13”, 14”, or 16” available for enhanced stopping power.
  • Engine Compatibility: Designed to seamlessly accept most modern drivetrains, including Coyote, Godzilla, LT, and LS engines. Custom engine and transmission configurations can be accommodated by sending your engine/transmission to us for the build process.


1935-1941 Ford

1942-1947 Ford

1948-1952 Ford F1

53-56 f100 chassis kit slammed f100 pro touring f100

1953-1956 Ford F100

1954-1960 Ford F100

ford f100 chassis slammed f100

1961-1966 Ford F100

ford f100 chassis kit fat fender garage level 2 slammed f100

1967-1972 Ford F100

1973-1979 Ford F100

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Need expert advice? Get a consultation with our specialists today and get personalized guidance for your chassis build.

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