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Cummins 4BT ARP ARP2000 Head Stud Kit

Studs made of proprietary ARP 2000 material in Santa Paula, CA

  • Rated at 220,000 psi tensile strength
  • Ample clamping force prevents cylinder heads from lifting
  • Threads rolled after heat treatment for optimum fatigue strength
  • Centerless ground to assure perfect concentricity
  • Broached stud ends install & make cylinder head removal easier
  • Chrome moly steel 12-pt nuts & parallel-ground washers included

Note: This kit requires modification to the rocker arm pedestal to accommodate a shorter rocker arm
pedestal head stud included in this kit. These changes were designed to bring our 12pt nut and washer combination down to the same installed height as the factory head bolt due to clearance issues with the valve cover. We have also included secondary 8mm rocker arm pedestal (hold down) bolts that were previously not available.

KIT INSTRUCTIONS

ARP part number: 247-4206

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Tags: Cummins , 4BT , ARP , 2000 , Head , Stud , 247-4206