Mobil 1 0w20 (This is 5 quarts, you’ll need 3 more or buy 2 of these and have some extra)
https://www.amazon.com/gp/product/B00...
Filter (6.2L Denali) WL10255XP
https://www.amazon.com/gp/product/B07...
Other filter I use is Mobil 1 M1212A https://amzn.to/3sixfG3
PF63 12731742. AC Delco https://amzn.to/3QjnYFC