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Est. 1957
ARP KB Hemi 9/16in undercut 12pt head stud kit
ARP
ARP

ARP KB Hemi 9/16in undercut 12pt head stud kit

$935.41

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ARP head stud kit for KB Hemi engines. Features 9/16in undercut studs with 12-point nuts for secure cylinder head clamping.

Key Features

  • 9/16 inch diameter studs — larger than stock for increased clamping force.
  • 12-point nuts — offer a strong grip for easier installation and removal.
  • Undercut stud design — reduces stress at the threads for improved durability.
  • ARP 8740 chromoly steel — heat-treated to 200,000 psi tensile strength.
  • Direct replacement for KB Hemi applications — fits right without modification.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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ARP KB Hemi 9/16in undercut 12pt head stud kit

$935.41