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ARP Standard LS Engine Main Cap Stud Kit

[Part # 234-5608]

$266.38 Free Shipping Details

ARP's main studs are manufactured from 8740 chrome moly, a tough steel with adequate fatigue properties for most racing applications. Additionally, ARP's threads are rolled after heat-treatment giving it a 180,000 to 210,000 psi tensile strength. This makes ARP's 234-5608 main stud kit an excellent choice to strengthen the bottom end of your engine.


  • 10 x Main Cap Inner Studs
  • 10 x Main Cap Outer Studs
  • 20 x Main Cap Nuts
  • 10 x Main Cap Skirt Screws
  • 10 x Windage Tray Lock-Nuts
  • Fastener assembly lubricant
  • Main Cap Stud Thread Top End: M10 x 1.25mm
  • Main Cap Stud Thread Bottom End: M10 x 2.0mm
  • Main Cap Nut Thread: M10 x 1.25mm
  • Main Cap Skirt Screw Thread: M8 x 1.25mm
  • Windage Tray Lock-Nut Thread: M10 x 1.25mm
Features and Benefits
  • Manufactured from 8740 chrome moly steel
  • Heat-treated to 180,000 and 210,000 psi tensile strength
  • Black oxide coating
  • Compatible with factory main caps for all LS-series engines

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