Need specs on rod bolt and main bolt

[JUSTAV6]

Hello,
I'm redoing my botom end and I need the specs on the ros bolts and mains ,, and any thing else I might need to know, And what is the front cover & block Mod,,
Thanks for any info ,, Gnttype org is down so I need the clearances and all that good stuff,

Thanks again,
Seneca Lafler, blafler87@yahoo.com