Wondering if someone could tell me what size the 2 bolts that hold the front of the seat down. Had to replace my whole floor and now i just need to bolt it back together to drive again
M8-1.25x25m/m. Suggest using flanged hex head - they should be available anywhere. If you can't get flanged heads, use hex heads and heavy washers (if you can't get heavy washers in M8, get them in 5/16" - they should also fit.)
They can be, studs will also be threaded M8-1.25 (use flanged nuts or nuts and washers there as well.)
SAE8 and SAE5 won't apply - they're metric (ISO.) ISO fastener strengths are called out by "property class," which is a numeric coding stamped into the fastener head. You'll want to use ISO PC 8.8, 10.9, or 12.9 - 8.8 or 10.9 will be easiest to find, and plenty strong enough. After all, that's what's holding my seats down...