I used the felpro HS7782B head gasket set for my 261 with the 848 head. It was fine.....and if my memory is correct I ask for the 261 set.
EDIT: I then took the head gasket as a pattern and the 848 head to a local machinist to drill the extra holes in the head. All is good.
Last edited by Achipmunk; 12/19/2016 3:11 AM.