Head studs help!

[t24ticLT28]

hello .
i have 2x d24tic with head's off . i am making one good one , it will be going in a vw lt 25 westy. i hope to do some small mods and up boost a little . should i do head studs ? both are 1995 ish but have 11mm studs ? is this the normal ? i cant seam to find the right arp stud ! dose any one have a part number ? cheers for you help

[anders]

All blocks after 1982 are 12mm. All 12mm bolts are triple square and the pre 82 11mm bolts are socket heads. ARP does not sell a head bolt set for these engines, I have to order large quantities of the correct head stud/washer/nut and put sets together myself.