Non-Adjustable Fuel Pressure regulator for 1984-1987 Buick Regal 3.8L V6 (N/A and Turbo engines). Holley fuel injection pressure regulators are designed to provide the correct fuel pressure for any high performance fuel injected vehicle.
The 512-515 Holley Fuel Pressure Regulator is a great fit for restoring or rebuilding engines equipped with fuel injection systems, specifically those found in Buicks.