Finish the Build Right
Parts our crew pairs with this kit so your swap goes together right the first time.
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FFG Returnless Style Fuel Line System
$629.00
Details for FFG Returnless Style Fuel Line System
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Push Fuel Cap and Adapter
$81.99
Details for Push Fuel Cap and Adapter
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FFG Billet Aluminum Wood Bed Fuel Door
From $204.99
Details for FFG Billet Aluminum Wood Bed Fuel Door
FFG Billet Aluminum Wood Bed Fuel Door From $204.99 -
1973-79 Truck COYOTE SWAP Fuel Tank and Fuel Pump
From $1,263.76
Details for 1973-79 Truck COYOTE SWAP Fuel Tank and Fuel Pump
1973-79 Truck COYOTE SWAP Fuel Tank and Fuel Pump From $1,263.76
Fitment Note: On some applications, the rear crossmember may need to be relocated to fit this fuel tank properly.
Command your High-Boy's fuel delivery with an FFG Custom Aluminum Tank that transforms your driving range where precision engineering meets rugged reliability in the system that keeps your legend moving, crafted specifically for your 1973-77.5 High-Boy without compromise.
Your fuel tank isn't just storage, it's the foundation that determines how far your adventures take you. This built-to-order NON-EFI tank holds approximately 22 gallons and features side pocket fill design. These are custom tanks made here in the US that may require you to relocate your rear crossmember for optimal installation.
Engineered for High-Boy Duty
Every FFG fuel tank conquers the demands of elevated truck life with purpose-built solutions crafted specifically for your 1973-77.5 High-Boy:
- US-Made Aluminum Construction Built with 1/8" 5052-H32 aluminum in 26.5" x 24" x 10" taper to 6" dimensions
- Triple-Baffle Fuel Management Three internal baffles prevent fuel starvation during aggressive angles and hard acceleration.
- Complete System Integration Pickup tube adapter and rollover safety valve included, eliminating the guesswork that turns fuel system upgrades into parts-chasing nightmares
- Professional Fill Options Standard bed fill with threaded cap and neck that sits 3" below bed floor, requiring a bed fuel door for clean installation
- Smart Sensor Compatibility Choose 0-90 OHM for aftermarket gauges or 75-10 OHM for stock gauge setups,
Add our Fat Fender Push Fuel Cap and Adapter to effortlessly convert Boyd 2" NPSM necks to OEM style caps.
Legendary High-Boys deserve fuel systems built for the long haul, not compromise solutions that fail when adventure calls.
*Built to order with 4-6 week lead time
Vendor: Boyd Welding
Tank material: 1/8 inch 5052-H32 aluminum
Tank dimensions: 26.5 inch x 24 inch x 10 inch taper to 6 inch
Approximate capacity: 22 gallons
Fill: side pocket fill
Baffles: three
Sending unit flange: yes
Included: pick up tube adapter; rollover safety valve
Sender options recommended: 0-90 OHM for aftermarket gauges; 75-10 OHM for stock gauges
Country of manufacture: US
Lead time: 4-6 weeks; built to order
Listed price 555.00 USD
Non-EFI application: carbureted engines using a mechanical or low pressure pump.
Side pocket fill with a sending unit flange for the level sender of your choice.
On some trucks the rear crossmember must be relocated to clear the tank.
Built to order with a 4-6 week lead time.
Talk to a Parts Specialist
Not sure it fits your truck, or planning a bigger build? Our parts specialists will help you get the right parts the first time.
Tip: have your truck's year, make and model handy.
Hours: Mon–Thu 8am–5pm · Fri 8am–2pm (Arizona Time)
Reach out after hours and we'll get back to you the next business day.