Head studs dont have to be replaced but can be if you choose. ARP bolts are for rods case and HEAD studs. If you go back to your videos assembly part 3 you will see where W.W. HIMSELF changed all his bolts to ARP. Also in the manual on page 38 under the case.
David Swanson bdazzca...@aol.com Watch the video he tells you that you can change the head bolts.
