also go to dimple harley drain plugs,com their magnets in their plugs will pick up a 11/16 " O?E wrench.i tryrf it. oem ones are worthless as a magnet.
also use PFE paste on the plug threads. ACE hardware has "O" rings. the late twin cams use #44. go to amazon & buy a 1/4" drive torque wrenchthat goes down to
80 in pds. i think the drain plugs are 80-140 inch pounds torque ,I think. i don't have my cheet sheet to look at.