403 olds water pump bolts sizes

[Flashflood]

I bought a bolt kit for 403 olds the water pump bolts didn't come with one of the larger bolts for an ac water pump. I curious what size they are.
77 pontiac lemans 403 olds

Thanks Andrew

Sent from my SM-S921U1 using Tapatalk

[burd]

Check in the assy manual ,it would show all bolts and sizes.