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The ARP head stud kit for KB Hemi applications includes 9/16‑inch undercut 12‑point studs sized for that engine family. The kit provides the specific undercut 12‑point studs used to fasten cylinder heads on KB Hemi blocks and supports correct head clamping during assembly or service. Select this kit when replacing head hardware with the undercut 9/16‑inch configuration.
ARP KB Hemi 9/16in undercut 12pt head stud kit
