6 AN, Black Aluminum. DeatschWerks 6-1002-FRB Fuel Pressure Regulator. DeatschWerks fuel pressure regulators provide the quality, precision, and reliability that your high performance fuel system requires to deliver optimum performance. They utilize stainless steel hardware, nitrile fiber diaphragms, anodized housings, and 100 percent brass-free construction to be compatible with ethanol and methanol. The design of […]