DeatschWerks Master Shop Injector O-Ring Kit (500 Pieces)DeatschWerks, LLC provides high performance fuel system solutions for the automotive aftermarket. Located in Oklahoma City, OK, DW houses all of the company? s functions including design, end manufacturing, quality assurance, sales, marketing, and administration in its 36,000sf facility. DeatschWerks? roots were established in 2004 by offering high flow drop in fitment fuel injectors. In 2009 DW expanded into fuel pumps with the DW300, the highest