fuel filter.

Energy One

SCC007

Active Member
Carbs don't have an additional fuel filter, they have a screen built into the petcock. EFI have a fuel filter built as part of the suction (I used to call them a sock)...although I haven't dealt with any BD EFI (just seeing the diagram)...HD EFI which I have worked on a lot of is the same way.
I have added a fuel filter before my carb to help with the crud that is in a lot of fuel now (not necessarily needed and overkill - I get it).
 
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