Oil Filter O ring size

["Chuck Arnold" <chuck.arnold@oracle.com>]

Saw a posting about "Quad Rings" the other day.
http://www.marcorubber.com/quad_rings.htm

Am thinking this might help preclude the leaks often associated with after
market oil filter adapter kits.  Does anybody happen to know what the size of
the O ring is (Tr6 if that matters)?  I think it is the value whether it is
the Mocal unit [Moss, etc.] or stock.

Chuck Arnold
Technical Manager
Oracle Northwest Fulfillment Practice
425 241 0457 [cell]