AEM Electronics Adjustable Fuel Pressure Regulators are designed specifically to maintain stable fuel flow for engines up to 1,000 horsepower, whilst giving the ability to set a custom base pressure for your given application.CNC-machined from 6061-T6 billet aluminiumMounts directly to O.E. fuel rail or AEM High Volume Fuel RailPatented interchangeable discharge orifices match the output of virtually any fuel pump (single large port included)Accept a -6 AN or 9/16"x18 fittingsAdjustable from 20 psi to maximum fuel pump capacityBoost dependent rising fuel pressure rate (1:1)No additional parts are required for installationAEM's Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. The patented interchangeable discharge ports enable the regulator's output to match the output of any fuel pump. A single large discharge orifice is included. Compatible with OE Fuel rails or AEM's High Volume Fuel Rails. AEM includes a custom barb fi