P2R Power Rev Racing. DeatschWerks DWR2000 Adjustable Fuel Pressure Regulator – Black. DeatschWerks, LLC, founded in 2004, is a company dedicated to providing high-performance fuel system solutions. Located in Oklahoma City, Oklahoma, DW operates out of its own 36,000 sq. Facility that houses all of the company’s functions including design, end-manufacturing, quality assurance, sales, marketing, […]