The Peterson Fluid Systems large primer filter mount with -10AN fittings and a 1 1/2-16 post includes a left-side primer inlet and is built to accept larger filter elements. It provides -10AN ports for plumbing and a priming interface to help pre-lubricate engine bearings. Suitable for robust oiling setups, the mount is intended to be used with Peterson primer hardware and optional mounting brackets.
Peterson Fluid Systems Primer Filter Mount -10AN 1 1/2-16