Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Undercut - Porsche 6-Cylinder Head Stud Kit for Porsche 911 & 930 turbo SS Kit #: 204-4206 SpecificationsSocket Size(s)12mm 12pt .
For (2003-2010) Ford 6.0L Powerstroke Diesel VT365 ARP Cylinder Head Studs
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