AEM – High Volume Fuel Filter. AEM – Adjustable Fuel Pressure Regulator. Not CARB Legal: Not for sale or street use in CA & CARB states. Adjustable Fuel Pressure Regulator 25-304BK. CNC-machined from 6061-T6 billet aluminum. Mounts directly to O. Fuel rail or AEM High Volume Fuel Rail. Patented interchangeable discharge orifices match output of virtually any fuel pump. Accept a -6 AN or 9/16âÂÂx18 fittings. Adjustable from 20 psi to maximum fuel pump capacity. Interchangeable discharge ports match regulator output to output of any fuel pump. No additional parts required for installation. High Volume Fuel Filter 25-200BK. Supports flow for racing and Motorsports vehicles up to 500 horsepower. Fits in stock For Honda/For Acura location or as a floating application on any vehicle. Large hexes machined into top and bottom for easy disassembly. Thread sizes for filter are 12×1.25 top and 14×1.50 bottom for fittings (universal applications). Uses standard high flow replacement filter (NAPA Gold Part #PN4950 or FRAM part #CH6069). No additional parts required for installation (For Honda/For Acura Only). AEM Adjustable Fuel Pressure Regulator +High Volume Filter For Accord / Civic EX. Accept a -6 AN or 9/16×18 fittings. Even with our huge inventory, we may run out of an item. Items must be New, Unused, Not Installed, in the Original Packaging and able to be resold. Please message us to start a return. No cash or compensation for labor will be given for defects in material and workmanship. We encourage our Buyers to communicate with us at any time. All emails will be responded to within 24 hours. We look forward to hearing from you!