Pro Series Cylinder Head Stud Kits by ARP

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.

Features

• Fastener Style: Stud
• Undercut Stud: No
• Head Style: 12-point
• Fastener Material: 8740 chromoly
• Fastener Finish: Black oxide
• Washers Included: Yes
• Cut to Fit: No

Applications

• 1990-1998, 2000-2005 Mazda Miata

What’s In The Box?

• Pro Series Cylinder Head Stud Kits