and #11241266336 in BMW M20B20

The F Series is coated with Silver Oxide

5mm to 1mm larger than the piston

The VR38DETT variant

Radium Engineering Fuel Pump Check Valve Outlet Adapter Fitting:6AN Male and #11241266336 in BMW M20B20Installation Instructions This adapter is used to integrate a high flow check valve on the outlet of many fuel pumps. The valve outflows the integrated check valve that comes standard on many fuel pump outlets. Furthermore, decreasing this restriction allows the pump to operate at less current. This keeps fuel temperatures lower and prevents cavitation. The two billet aluminum adapter halves are secured together with a stainless steel retainer and