B2X4/2X5 ARP “Pinto+” Head Stud Kit

This kit includes ARP head studs and washers for Ford Pinto, featuring 6-point nuts and U/C studs for improved torque retention and engine sealing.

• The description claims that ARP fasteners require re-torquing regularly.
• The description claims that 6-point nuts have more material and are less prone to thermal expansion.
• The description claims that undercutting equalizes stretch and prevents blown head gaskets.
• The description claims that ARP's Head Studs are made from premium 8740 chrome moly steel and heat treated to 190,000 psi.