ARP Head Studs K20, & K24

ARP Head Studs K20, & K24a

*8740 chromoly   *12-point   *220,000 psi tensile strength   *Forged    

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi. ARP Pro series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.