Gator Fasteners HD Head Stud Kit For 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML

SKU: HSK66

SELECT FITMENT

See If This Product Fits Your Vehicle

$549.99
$549.99
$604.00

Free Shipping

Free ground shipping on all orders over $99

When it comes to keeping your 2001-2016 GM 6.6L Duramax diesel engine (LB7, LLY, LBZ, LMM, LML) together under extreme stress, the Gator Fasteners Heavy Duty Head Stud Kit is the ultimate solution. Designed to withstand high boost, heavy towing, and extreme performance applications, this kit provides superior clamping force to eliminate head gasket failures.

Whether you're running high boost, heavy towing, or aggressive tuning, the Gator Fasteners HSK66 kit is built to handle extreme conditions. Unlike factory head bolts that stretch and fail under high pressure, these heavy-duty head studs ensure maximum reliability for drag racing, sled pulling, off-road performance, and daily driving.

Upgrade to Gator Fasteners Heavy Duty Head Studs and experience the difference in strength, reliability, and performance—because "Nothing Bites Like Gator".

Features:

  • HD220 steel for extreme durability and performance builds
  • 220,000 PSI tensile strength for high-pressure applications
  • Maximum clamping force prevents head gasket failures
  • Rolled threads post-heat treatment for added fatigue strength
  • Precision-machined and heat-treated for exact fitment
  • Kit includes high-strength studs, nuts, and washers
  • Direct bolt-on upgrade over factory head bolts for Duramax
  • Includes "Gator Juice" for smooth and proper torque setup

Specifications:

  • Material: HD220 high-strength alloy
  • Tensile Strength: 220,000 PSI
  • Threading: Rolled after heat treatment
  • Finish: Black oxide corrosion-resistant

Included:

  • (36) Heavy Duty Head Studs
  • (36) Hardened Washers
  • (36) High-Strength Nuts
  • (1) Assembly Lube

Fitment:

  • 2001–2016 Chevy/GMC Silverado/Sierra 2500/3500 6.6L Duramax (LB7/LLY/LBZ/LMM/LML)

Notes:

  • 5 Year Limited Warranty
  • Recommended for performance and heavy-duty applications
  • Forum postings could provide incorrect torque values. Please follow the included installation instructions for proper torque specifications and tightening sequence.

Product Specs

SKU:
HSK66
Brand:
Gator Fasteners
part type:
Engine

Related Products