Head Stud Kit by ARP

The Pro Series cylinder head bolts 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 are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for 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

Benefits

• Heat-treated prior to thread rolling and machining
• Cold-forged to ensure molecular integrity
• Rated at a whopping 190,000 psi

Please Note: Fits 911 and 930 turbo models. "Dilivar style" replacement

Applications

• 1976 - 1979, 1981 - 1989, 1991 Porsche 911 Series

What's In The Box?

• 24 - Studs

Warranty

• Manufacturers Standard Warranty