What i have here is the component on the fuel rail that releases and receives fuel. I know alot of people on here have worked on their engine requiring the removal of this thing. i had lost the washer that is in between the fuel line and the upper part of this thing. Does anyone know what size washer is on the upper part i know the lower washer is 10mm. Or is it safe to install without the washer. And if anyone knows where i can get one plz lmk, Btw ive been everywhere looking for this part, No dealers or hardware stores carry it.