ARP Main Stud Kit '05 & earlier LB7/LLY Duramax

  • Brand: ARP
  • SKU #: 230-5401
  • Part: Fasteners
  • Availability: In Stock
These ARP main studs are made from 8740 chromoly steel and have a 190,000 psi tensile-strength rating. They are precision centerless-ground and thread-rolled to Mil-S-8879 specs, with a black oxide finish for corrosion resistance. The kits come complete with hardened washers and high-strength hex nuts. This is a must for High HP applications, these specialty bolts will keep the main caps from walking at High Horse Power and High RPM's.