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Cylinder Head Stud Kit for 2001-2016 GM 6.6L Duramax Diesel Engines
InfoVehicle Info Needed
JEGSPART NUMBER: 555-83431

Cylinder Head Stud Kit for 2001-2016 GM 6.6L Duramax Diesel Engines

$38299$413.59You Save$30.60
ShippingShips on Sep 10, 2026
Lowest PriceLowest Price Guarantee

GM Truck
Cylinder Head Stud Kit
  • 2001-2016 GM 6.6L Duramax Diesel Engines
  • Custom 4135 Alloy Steel
  • 210,000 PSI Tensile Strength
  • Heat-Treated
  • Black-Oxide Finish
  • Includes:
    • Studs
    • 12-Point Flanged Nuts
    • Washers
    • Assembly Lube

      These JEGS 555-83431 Cylinder Head Studs provide the clamping force required for engines with increased boost levels, cylinder pressures, and higher compression ratios. Whether you are building a modified engine or just replacing the head gaskets, choose JEGS Studs over inferior OEM torque-to-yield bolts.

      JEGS 555-83431 Cylinder Head Stud Kit Features:

      • Premium grade custom 4135 alloy steel rated at aircraft quality
      • Total heat penetration to 210,000 psi tensile strength
      • Centerless ground after heat treatment for straightness
      • Threads rolled after heat treatment to increase fatigue strength
      • Parallel ground washers evenly distribute torque around stud pocket
      • Reuseable, unlike OEM torque-to-yield bolts
      • Black-Oxide coating provides superior corrosion resistance

      • Cylinder Head Studs for Superior Clamping Force

      JEGS Cylinder Head Stud Kits for Diesel Engines are a premium alloy steel that is heat-treated, centerless ground after heat treatment, and thread-rolled, resulting in superior fatigue strength and straightness. They provide a more even clamping force over OEM head bolts, and unlike torque-to-yield bolts, they are reusable, saving you time and expense.

    Part TypeCylinder Head Stud
    Product LineJEGS Cylinder Head Stud Kits for Diesel Engines
    BrandJEGS
    Package Height3.5
    Package Width4.5
    Package Length11.0
    Weight13.0 PG
    Part CategoryPerformance Parts
    Washers IncludedYes
    Nuts IncludedYes
    Fastener Nut Style12-point Flange
    QuantitySold as a kit
    Fastener StyleStud
    Fastener FinishBlack oxide
    Part FitmentSemi Universal
    Fastener MaterialChromoly
    Engine Make/SizeGM Duramax
    Washer StyleFlat
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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