Posted by Vaughn [172.68.142.8] on Tuesday, March 28, 2017 at 21:40:05 :
In Reply to: square o ring on oil pump cover. posted by Glen of Idaho [108.162.246.98] on Tuesday, March 28, 2017 at 11:13:02 :
I cut one out of an old inner tube, it's about as square as you'll get.