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Auto Barn
Est. 1957
ARP

ARP Big Block Chevy Undercut 12pt Head Stud Kit

$288.26

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 Big Block Chevy engines. Stronger than stock bolts for improved head sealing under high cylinder pressures.

Key Features

  • 12-point nuts — easier to access with common sockets than 6-point nuts.
  • Undercut stud design — reduces stress and improves clamping force consistency.
  • ARP 8740 chromoly steel — heat-treated to 200,000 psi tensile strength for reliable clamping.
  • Includes thread sealer and assembly lube — ensures proper installation and sealing.
  • Direct replacement for stock head bolts — fits Big Block Chevy engines.

⚠️ 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 Big Block Chevy Undercut 12pt Head Stud Kit

$288.26