6.4L Power Stroke ARP2000 - Head Stud Kit Inner row M8 head bolts included 2004-66-duramax aiding the injection System by

aiding the injection System by reduce the amount of work your factory injection System has to perform

leading to a failure

however its suggested that Duramax diesel owners install one of our Titanium Series Systems if you have several fueling upgrades or if you are looking for improved filtration and all the benefits that come with our top selling Titanium Series FASS Diesel Systems

7L that has a factory installed heat exchanger

This is because here at FASS Fuel Systems we focus on perfecting our Systems and how they are engineered

6.4L Power Stroke ARP2000 - Head Stud Kit Inner row M8 head bolts included 2004-66-duramax aiding the injection System by6. 4L Power Stroke ARP2000 Head Stud Kit Inner row M8 head bolts included