The key is the center post gasket. The height/width is really not an issue as long as the return hole in the standpipe is covered... and you can adjust the height of the filter with washers.
My trucks us a variant of the S-2 but called the 'Military Senior filter' (my jeep uses the Military Junior filter).
NAPA Gold 1503 or WIX 51503
http://www.fleetfilter.com/mm5/merc...mp;Product_Code=51503&Category_Code=Going price is about $8-$9
There used to be a place in NC that would ship any case you ordered for $0.99. Lost the link t hough
