Universal Adjustable Fuel Pressure Regulator Black Up to 1000HP. BRAND NEW IN BOX. AEM’s Universal Adjustable Fuel Pressure Regulator (AEM 25 302BK) is capable of supporting enough fuel flow for engines up to 1000 horsepower. Universal fuel pressure regulator adapts to virtually any vehicle. Adjustable from 20 psi to maximum fuel pump capacity. Supports fuel […]