Heat-treated, thread-rolled from 8740 material and rated at an amazing 200,000 PSI strength, the ARP Head Stud Kit is exactly what you need if you're looking to improve your torque readings and get better load distribution.
Kit includes:
Cold-forged head studs
Exclusive 12-point nuts
Hardened parallel washers
ARP Fastners - 250-4203 - Features
High-Strength ARP 2000 Alloy Construction
Broached Stud Ends Install & Make Cylinder Head Removal Easier
Rated At 220,000 Psi Tensile Strength
Heat-Treated Prior To Thread Rolling And Machining For Optimum Fatigue Strength
Includes Chrome Moly Steel 12-Point Nuts
Shot-Peened To Remove Any Surface Irregularities And Improve Overall External Integrity
Black Oxide Coating For Added Corrosion Resistance
Hardened Parallel Ground Washers For An Even Load Distribution And Accurate Torque Readings
Centerless Ground To Ensure They Are Perfectly Concentric
Comes With 0.5oz Of ARP Fastener Assembly Lubricant
Improved Clamping Force Prevents Cylinder Heads From Lifting