ARP Bolts



2001-2016 Duramax Head Stud Kit CA625+ (230-4202)


  • Inventory on the way

$2,965.25

  • About
  • Features
  • Fits

ARP high performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. A black oxide finish protects them from wear and corrosion, and ARP throws in hardened parallel washers for uniform load distribution and accurate torque readings. Keep your cylinders mounted securely with a set of ARP high performance cylinder head studs; order the hardware recommended for your year/make and engine application

  • Increased Strength
  • Increased Reliability
  • ARP625 rating
  • 260,000 PSI Tensile Strength
  • 8740 Chrome moly construction (12-point nuts)
  • Hardened Parallel washers
  • Includes ARP assembly lubricant

GM Duramax

2001 - 2016

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PowerHouse Machining was founded with the vision of creating a one-stop-shop for all of your light duty engine needs. We pride ourselves on our industry-leading engine quality, dedication to customer service, and sincere passion for our trade.