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Increasing fuel flow to your engine means more than just installing bigger injectors. This adjustable fuel pressure regulator can provide enough fuel for an engine making 1000 horsepower! AEM’s patented interchangeable discharge ports enable the regulator’s output to match the output of virtually any fuel pump and the regulator is adjustable from 20 psi to maximum fuel pump capacity. CNC machined from 6061 T-6 billet aluminum and black anodized for a great appearance. Both are tapped to accept -6AN or 9/16x 18 fittings and the universal regulator includes a 1/8 NPT port for a fuel pressure gauge or pressure sensor pick up.