Pro Stock Fuel Pressure Regulators guarantee precise, accurate, repeatable and reliable fuel control unmatched by ''ANY'' other fuel pressure regulator. Utilizing a new stainless steel valve, aluminum bronze seat, and an innovative opposed-spring design, this regulator boasts materials that are compatible with all fuels while providing the lightest most durable components allowing the regulator to perform better, quicker and more efficiently than anything else in the market. This pump is a perfect match for the A2000 Fuel Pump. A free flowing -12AN/-10AN tapered flare reducer fitting and plated mounting bracket are included.