We at PTS have put together an LSA flexplate bolt pack for you!
These are the high quality ARP bolts that are trusted worldwide, and are designed for all 8-bolt LS engines with an automatic flexplate only. We have a separate listing designed for flywheels which have a smaller head diameter.
For instructions, reference part number 244-2901 on ARP's site:
https://tech.arp-bolts.com/instructions/244-2901.pdf