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S&S Cycle Cylinder Stud & Head Bolt Kit – 17-23 M8 Models

Original price was: $199.96.Current price is: $120.56.

100 in stock

SKU: 2401-1621 Category:

Description

  • Studs
  • 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC
  • Rounded thread roots, rather than flat, improving fatigue strength
  • Positive stop shoulder allows for consistent installed height
  • 180,000 psi tensile strength
  • Reusable
  • 14% increase in strength over stock
  • Heat treated 8640 steel
  • 200,000 psi ultimate tensile strength
  • Formed threads
  • Cold formed head
  • Compatible with both MLS & graphite head gaskets