Lightweight Ceramic Valve, Hard Anodized Billet
250" Orifice For Smoother Fuel Pressure at Lower DemandThe Race Pumps fuel pressure regulator installs between the fuel pump and the fuel rails.
The lower port is -8 AN O-ring, this is the inlet from the fuel pump.
The side ports are -6 AN O-ring, these are outlet ports to the fuel rails. You may use just one or both of these ports.
The -3 port for the boost reference is also the pressure adjuster. Screwing it in increases fuel pressure, out decreases fuel pressure.
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