FASS Diesel Fuel 5/8" Fuel Module Suction Tube Kit Includes Bulkhead Fitting 2003 Mass Flow Return (MFR) technology

Mass Flow Return (MFR) technology is used to continually polish your fuel by keeping a positive pressure on the fuel being delivered to the engine to prevent cavitation along with galling and scoring

The D-Max Flow Enhancer has been designed to provide your Duramax engine with a constant 8 PSI fuel pressure

Black Polyester

As an added performance benefit

Bulkhead and Suction Tube Features:

FASS Diesel Fuel 5/8" Fuel Module Suction Tube Kit Includes Bulkhead Fitting 2003 Mass Flow Return (MFR) technologyFASS Fuel Systems Diesel Fuel Bulkhead and Convoluted Suction Tube Kit (STK1003) Part No: STK1003 Universal Applications, Ford Power stroke, GM Duramax and Dodge Cummins Note: STK1003 1003B kit will not work on 03 04 Dodge Applications Our FASS Fuel Systems Bulkhead Fitting are machined from 6061 T 6 Billet Aluminum and a Viton suction tube are designed to function as both a suction point and a fuel return port for your FASS Titanium Signature Series