Our FASS Adjustable Diesel Fuel Pumps are designed to be the most versatile high-performance fuel pump on the market, allowing for adjustable fuel pressures to meet the demands of high-performance Dodge Cummins 5.9L applications. Manufactured with the same motor used in our Titanium Series pumps, this adjustable fuel pump is rated at 165 gallons of diesel fuel per hour and offers adjustable fuel pressure from 1-20 PSI to customize fuel delivery for race or competition diesel engines. To aid in proper performance, we built in a boost compensation port; air pressure from your intake manifold raises fuel pressure while under full throttle, maintaining fuel pressure when it matters most.
This is a fuel pump only and must be used with your factory fuel filter. It is suggested that all pumps be adjusted only if you have installed a fuel pr
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