This is the page for the SF260 fuel pumps. The single pump is an
A/M 2B6-6 and can be ordered from Superior Air Parts
The two pumps are Facet and were originally Bendix pumps.
PN: 480563 order from 800-366-7100
The pump for the carburetor model O-540 is LW 15472 and produces 4 lbs. pressure.