FASS Fuel Pressure Regulator Information

The FASS Fuel Pressure Regulator is an interesting product that was intended to be used for applications that require moderate to extreme power levels. Designed by FASS’s first-rate engineers, this adjustable bypass fuel pressure regulator is designed to give its users external control in maintaining consistent fuel pressure above the intake manifold pressure on diesel and gas applications. You may be asking, “Why do I need consistent fuel pressure?” Steady fuel pressure is crucial for problem-free fuel injector performance.

The FASS Fuel Pressure Regulator allows the user to fully adjust the PSI from 0 to100 PSI. The Fuel Pressure Regulator also includes a Boost Compensating Port (1/8” Male Pipe Thread, or MPT), which gives the pump enhanced fuel pressure based on boost referencing from the turbo. It is possible to adjust the pressure from idle to full throttle, making it possible to increase fuel pressure relative to the boost level being used. This device omits the need for injection duty cycles and complex computers, keeping its actions simple. By only adding pressure under boost, the driver is able to utilize the machine’s factory settings when off boost.

FASS fabricated the Fuel Pressure Regulator using high-quality materials, such as billet 6061-T6 aircraft-quality aluminum. This substance is one of the most durable manufacturing materials available on the industrial market. The exceptional build quality of the Fuel Pressure Regulator is also protected by a four-year manufacturers’ warranty.

Unlike most of the FASS lineup, the FASS Fuel Pressure Regulator is a specialty item that serves a specific purpose in conjunction with a fuel system. It is widely understood that simply lowering or raising your machine’s fuel pressure alone will not create a noticeable horsepower gain. However, it will allow better efficiency of the fuel injection pump and the engine's fuel injectors.

FASS recommends that the installer uses a permanent fuel pressure gauge to monitor adjustments. The instruction booklet of the Fuel Pressure Regulator, available on the manufacturer’s website, is very clear in warning potential users that “improper use can cause undesirable results or even fuel system damage.” A specialist at Orange County Diesel, an authorized FASS VIP dealer based in Huntington Beach, California, will be more than happy to assist you in figuring out if the Fuel Pressure Regulator fits your needs, as well as install the Regulator if you need professional assistance.

Please see the OC Diesel website for the FASS Fuel Pressure Regulator. If you have any questions about the FASS Fuel Pressure Regulator or any other FASS product, feel free to call and speak to a FASS service professional at 714-848-2170.