FASS Adjustable Fuel Pressure Regulator CMNS-4931561 Ensure your Duramax is getting

Ensure your Duramax is getting the cleanest

Control your Derringer tuner’s power level or adjust PedalMonster’s throttle sensitivity directly from the iDash Pro

3" Shorty Strap Straight Configuration: 9300 lbs

the new Duramax Black Oxide coated flexplate is corrosion resistant to prevent hydrogen embrittlement

The AIRAID engineers had their work cut out for them when they set out to improve upon perfection

FASS Adjustable Fuel Pressure Regulator CMNS-4931561 Ensure your Duramax is gettingThe FPR allows you to fine tune your fuel pressure to the exacting requirements of many of today's diesel trucks. With many drivers running highly modified injection pumps (or two) and high output injectors, a standard pre set lift pump does not do the job. This regulator from FASS allows the driver to set the pressure out of their lift pump to what their requirements are from 0 100 PSI. As an added benefit, FASS has also engineered a boost