Help strengthen your 2011-2021 Mustang GT's bottom end with this ARP main stud kit. ARP main studs are made from 8740 chromemoly steel and have a 2000000 psi tensile-strength rating. They are precision centerless-ground and thread-rolled to Mil-S-8879 specs with a black oxide finish for corrosion resistance.

ARP Main Studs feature premium grade 8740 material that is rated at 200000 psi tensile strength. Each kit includes the necessary bolts or studs premium grade chrome moly nuts and washers for the application and a 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant.

These studs are centerless ground heat treated prior to thread rolling and machining and designed to exceed the OEM fasteners in strength and durability. The kit comes complete with hardened washers and high-strength 12-point nuts.