FASS Fuel Systems

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!

09/09/2026

It's still 2010 in my brain...🥲

09/09/2026

Proudly engineered, tested, and machined in Missouri 🇺🇸

09/09/2026

Our PLUS and No-Drop Fuel Systems are an AWESOME value!

From all of us at FASS, have a safe and blessed holiday! 🇺🇸 We will return Tuesday, 9/8.
09/07/2026

From all of us at FASS, have a safe and blessed holiday! 🇺🇸 We will return Tuesday, 9/8.

09/04/2026

Install in an HOUR 🤯 Drop-In Series Fuel Systems deliver a serious return on investment!

09/03/2026

Beaman Builds is chasing 3,000+hp in their FASS-fueled Cummins, and made an EASY 1,446hp with a very conservative tune!

09/03/2026

TRIPLE the life of your Detroit 60 Series' injection components with a single bolt-in upgrade 👀

Maximize MPG, restore power, and TRIPLE the life of injection components ✅ Complete fuel system kits available for CAT, ...
09/02/2026

Maximize MPG, restore power, and TRIPLE the life of injection components ✅ Complete fuel system kits available for CAT, Cummins, Paccar, Detroit, and many more!

09/01/2026

The 6.0 fans will love this one 😍 JH Diesel's FASS-fueled mega truck is a mud singlin', tire smokin' machine!

09/01/2026

Our Extreme Water Separator doesn't have a drain?? 🤯

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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