ARP Pro Series Head Stud Kit - Ford 351W/ Factory & Most Aluminum Heads - Hex Nuts 111015 Size indicated is I

Size indicated is I

12 AN Male to 12 AN Male

2A/5 - certified for 2024

Pro-Series EFI

a 2-5/8" I

ARP Pro Series Head Stud Kit - Ford 351W/ Factory & Most Aluminum Heads - Hex Nuts 111015 Size indicated is IPro Series Head Stud Kits include aerospace quality nuts and parallel ground, hardened washers. Rated at 190, 000 PSI tensile strength. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications.