ARP uses a premium grade 8740 alloy that is rated far superior to “aircraft” quality. Then, each stud is heat-treated to 190,000 psi. Every ARP stud kit exceeds the most stringent aerospace specifications. All kits come complete with hardened parallel-ground washers and aerospace quality nuts.
Vehicle Applications: Fits most Subaru and Nissan Applications
Fastener Style: 8740 Material Undercut and Knurled Studs
Knurl Diameter: 0.565˝ (14mm)
Knurl Length: 0.270˝
Nose Length: 0.350˝
Set of 5 Studs; ORDER 4 SETS FOR ENTIRE VEHICLE