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ARP 234-4316 LS1 Head Stud Kit 12pt nuts LS thru 2003:
$329.99
ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - GM LS-Series - Kit. We recommend ARP 11MM X 2.00 Tap (Part Number 912-0011) & M8 X 1.25 (Part Number 912-0001) before installation of these ARP Head Bolts or Studs.