This ARP 12-point head stud kit is made for Ford 351R blocks with C-3 heads, providing durable fastener upgrades for higher clamping loads in heavy-duty or high-output applications. ARP studs are precision-manufactured to improve head sealing and longevity compared with stock bolts, making them suitable for engine builds where stronger, serviceable head fasteners are required. Intended for use where the specified block and head combination applies.
ARP Ford 351 R Block w/C-3heads 12pt Head Stud Kit