The last spin on adapter I got had a bracket at 90 degrees so I could mount it. Here:
http://devestechnet.com/Images/Projects/FullFlowOil/oilfilter7lg.jpgWhat I liked about it is it took the standard FL1 filter. I made a bracket to adapt the location.
The spin-on adapters are all over just about any site I go to, but I don't see a way to mount them. I need another like the one I have. Anyone have any ideas?