Why you need to upgrade your Harley Davidson M8 oil pump Aem 340lph e85 high flow in-tank fuel pumps for 99-03 ford f-150 5.4l 50-1200 external materials black plated steel with laser etching, green end caps. Although AEMs High Flow Fuel Pumps are the same physical size as many OEM fuel pumps, they may not be appropriate for a specific application.