The new grid ref should be NO891969 not NJ.....
Not been there but best I can offer is the Canmore description (where they call it Auchlee) and a report from another unsuccessful attempt where they did find some stones for which they give 10 figure references.
http://www.rcahms.gov.uk/canmore/details_gis?inumlink=37069
http://www.karley.org/200108-hol/DAY-6-RAIN-IN-KINCARDINE.HTML