DeatschWerks DWR1000 Adjustable Fuel Pressure Regulator – Black – 6-1000-FRB. The approach taken for the DWR1000 adjustable fuel pressure regulator is not to reinvent the wheel, but simply to make a better wheel. All the best aspects of the existing regulators on the market were included in the DWR1000, but in addition, improvements were made […]