ARP Head Stud Kits are used by virtually every top professional engine builder. Simply stated, there’s not a better stud setup on the market today. These head studs are manufactured to exact tolerances, heat-treated, centerless-ground and thread rolled to ensure consistent clamping force strength and durability. Only premium grade 8740 alloy 190,000 psi tensile strength material is used, which is rated far superior to “aircraft” quality alloy steels. Head studs allow easy installation of both cylinder heads and gaskets, eliminating the guesswork of alignment. Each head stud kit comes with 12-point head nuts or Hex head nuts.

Features:

  • Manufactured to exact tolerances, heat-treated, centerless-ground and thread rolled
  • Premium grade 8740 alloy
  • 190,000 psi tensile strength
  • Includes 12-point head nuts or Hex Nuts
  • For most domestic and import applications

ARP Head Stud Kits

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