I asked this question a while back and was looking to see if the galvanized bolts are a grade 5 bolt or just a standard grade 2. Same question with stainless bolts, they always have a number in them, but no strength rating like your typical zinc plated bolt.
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.