actually this one is the shortest, and will still work with the 3/8" girdle on outside bolts
ARP-AU3965-1LB
it just has slightly longer threads, but is 2$ cheaper per bolt, so $20 saved.
here was some of the info i got from ARP.
I'm moving on.... just using the outer studs only to save about 100 bucks, and a DIY angle iron setup. I may post pics , you know ... eventually.
right now I'm welding up the 'extra' EGR ports/holes in the exhaust ports of the heads. plus a little...