FASS Fuel Systems

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FASS Fuel Systems Find us online at www.FASSride.com

FASS Fuel Systems can TRIPLE the life of your injection system while restoring power and MPG, sharpening throttle response, and improving cold weather performance!

10/26/2026

Thinking about a FASS Fuel System? 👀 Our USA-made Fuel Sump Kit makes upgrading EASY!

FASS-fueled FP Truck Fest Photo Dump, Part 2 🥵 Tag the owners!
10/23/2026

FASS-fueled FP Truck Fest Photo Dump, Part 2 🥵 Tag the owners!

If you missed it, 2025+ 6.7 Cummins Drop-In Series Fuel are HERE!
10/23/2026

If you missed it, 2025+ 6.7 Cummins Drop-In Series Fuel are HERE!

Nobody builds them quite like Brown Bros 🥵
10/22/2026

Nobody builds them quite like Brown Bros 🥵

10/22/2026

NEW for 2025 to 2027 6.7 Cummins! 👀

10/21/2026

Are Fords really THAT much better than Chevys/GMCs?

10/21/2026

Don't let cold weather slow your diesel down 🥶 Combining the FASS Connect with our Electric Fuel Heaters makes operating in winter EASY!

10/20/2026

Steven’s FASS-fueled 6.0 Powerstroke makes some HEAT 🔥

10/20/2026

Already running a FASS? Bring the heat this winter with our thermostatically controlled Electric Fuel Heater Kits🔥

Address

16234 State Highway O
Marthasville, MO
63357

Opening Hours

Monday 7am - 7pm
Tuesday 7am - 7pm
Wednesday 7am - 7pm
Thursday 7am - 7pm
Friday 7am - 7pm

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