If you can get ahold of A1 H11 studs I'd go with them. Arp's are fine if you depending on how high in the HP your wanting to go. I like to have a little more insurance then needed personally. If you can't get a hold of A1's, contact Bigpowr he's a vendor for Extreme Studs which offer a H11 and/or a H13 tool steel stud IIRC. Oem head gaskets or Black Diamond or RCD platinum gaskets, egr mia, good tunes with a sct, coolant filter, blue spring kit, 6.4 banjo's, replace the oil cooler or remove it, and I would look into some type of stage 1 valvetrain to work into your budget for piece of mind. Not required, but like I said before, I like to have a little more insurance than needed. If ya want any prices shoot me a PM.