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DogBone Head Stud Kit for 2001-2016 GM 6.6L Duramax

Pricing: $419.00

Free Shipping - Ground




We are proud to announce our newest product line to the UnderDog Diesel family, DogBone Head Studs!

DogBone Head Studs are rated at 220,000 PSI in Tensile Strength, which in our tests, actually tested higher at an average of 228,000 PSI!

Our threads are rolled after heat treatment which provides a much higher quality thread and optimizes thread fatigue. Studs come with a broached allen head for easy and accurate height install.


Vehicle Fitments
LB7 (Found in 2001 - Early 2004 models, 8th Digit of VIN is 1)
LLY (Found in Late 2004 - 2005 models, 8th Digit of VIN is 2)
LBZ (Found in 2006 - Early 2007 models, 8th Digit of VIN is D)
LMM (Found in Late 2007 - 2010 models, 8th Digit of VIN is 6)
LML (Found in Late 2011 - 2016, 8th Digit of VIN is 8)


  • .120" Thick Parallel Ground Washers
  • 12PT Flange Nuts
  • Black Oxide Finish
  • 220,000psi 8740 Chromoly Construction 

Kit Includes:

  • 36 12mm Studs
  • 36 12mm Nuts
  • 36 12mm Washers
  • 8 8mm Bolts
  • ARP Installation Lube
  • Torque Specs



Shipping Information

  • Item Requires Shipping
  • 12.0 lbs.
  • W6.0000” x H2.0000” x L8.0000”
  • Free Shipping - Ground

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