ARP High Strength 4.6L 2V and 4V 12pt Head Stud Kit 156-4101
These Pro series 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 190,000 psi. The 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.
Here at JDM we only use the best materials in our motors. We know quality is important to our customers and in our performance. That is why we only use ARP.