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!

09/03/2026

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?? 🤯

What a blessing TBH 🙏
08/31/2026

What a blessing TBH 🙏

Upgrade to Titanium Signature Series PLUS for just $25 more and get over $100+ in added value—including anodized ORB fit...
08/31/2026

Upgrade to Titanium Signature Series PLUS for just $25 more and get over $100+ in added value—including anodized ORB fittings and our new Heat Sink!

08/28/2026

Advice for new diesel owners—what'd Jake miss?

08/28/2026

$20 to add our Fuel Sump Kit? 😳 Our No-Drop Kit is an AWESOME value-add (cost varies according to make/model/year)!

08/27/2026

Tyler's G56 Mega Cab Ram is a tire melting, FASS-fueled machine! 😮‍💨

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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