SR20DET oil feed line threads rung on block!!

[AEf20c]

O yeah an make sure ya put heavy grease on the tap an drill to catch the swarf . Yeah it possibley is m12, it's about a year since i did it.
If your stuck i can make the adapter an post it to ya.

[DOC23]

did you try Eutec engineering? also try Hass motorsport in raphoe http://www.hass.ie/ and maybe grieve engines in oldtown- 0749122875.
hope that helps aaron