FASS No Drop Series Diesel Fuel System for 2020-2023 GM Duramax 6.6L  (900-1200hp) billet wheel and long-term reliability—exactly where towing

and long-term reliability—exactly where towing trucks need it most

Owners focused on reliability and heat management

different fueling mods will need to be performed to reach the 7-750RWHP mark

7L (Stock to 600hp) | Includes TSF20180F140G Fuel System + SK5501 FASS Diesel Fuel Sump Kit

Durable plug-and-play DCR pump delivers increased performance

FASS No Drop Series Diesel Fuel System for 2020-2023 GM Duramax 6.6L  (900-1200hp) billet wheel and long-term reliability—exactly where towingFASS No Drop Series Diesel Fuel System for 2020 2023 GM Duramax 6. 6L (900 1200hp) Includes TSC15290F240G Fuel System + SK5501 FASS Diesel Fuel Sump Kit Installing a Titanium Signature Series Fuel System has never been easier, or more affordable. Designed to simplify installation, No Drop Kits include our Fuel Sump which prevents the need for removing your fuel tank. Better still, No Drop Kits offer significant savings over buying a Titanium Signature