salvage yard.
YOu can take Blazin's advice and go to a good hardware store. Just make sure you match up the bolt strenght as well. SgtDel
aka "Andy"
www.delbridge.net
1979 Big 10 383 stroker
1991 Blu 'Burb 3/4 ton 4x4
Hey folks I found this site the other day. It seems as if they have about any bolt and quanity of them you need.
Also a side note; Read their story about how they used to be a small Ma and Pa hardware store and a big box store ran them out of business so they started selling on the internet and are now even more sucessful than ever.
www.boltdepot.com/
And if your rich there is always the guys at ARP
www.arp-bolts.com/
76 stepside 2wd
GMPP 350/350
basicly a big money pit, but a lot of fun.