Arp Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - SVO - Small Block Ford - Kit-254-4307--Notes: Fits SBF 351 SVO high port & improved SVO high port, part #'s M-6049-C302 & M-6049-C302B. State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO