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Thoroughbred Heavy Duty Head Stud Kit - 01-16 Duramax

Thoroughbred Sku #: TDPFHSD0116
Manufacturer Sku #: FHSD0116

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Product Details

Product Name:Thoroughbred Heavy Duty Head Stud Kit - 2001-2016 GM Duramax
Manufacturer: Thoroughbred Diesel
Manufacturer Part #: FHSD0116
Thoroughbred Diesel Part #: TDPFHSD0116
Fitment Notes: 2001-2016 GM Duramax

If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs.

The Thoroughbred Diesel Fasteners Head Stud Kit is a must have in any high performance 2001-2016 GM 6.6L Duramax. To overcome head gasket failures that can occur in diesel engines in these high performance applications, Thoroughbred Diesel Fasteners has introduced heavy-duty head studs for the popular GM LB7, LLY, LBZ, LMM, LML Duramax powerplants.

These studs are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures.


  • Manufactured by an ISO/TS 16949 certified facility.
  • 8740 Alloy Steel material commonly found in tool, engine and even aerospace applications, where overall toughness and wear resistance are key factors.
  • Rolled threads for strength and dimensional accuracy.
  • Tensile strength of over 220,000 PSI for Heavy Duty Series Kits.
  • Black Oxide Finish.
  • Chromoly steel 12 point nuts.


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