To be honest, as it's still 12pt heads I wouldn't be too concerned just yet. It's not like somebody just grabbed whatever was laying around and pulled a handfull of 12pt bolts. Do the threads in either one look like they forced a course threaded bolt into a fine thread hole?
My oil line fix
My 100k stopped odometer fix
Brace for impact, I'm in a "modifying mood". Massive thread count inbound.