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
