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Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L together whether you're building a tow rig, race truck or just a daily driver.

These fasteners have a much higher strength and will not stretch like the factory bolts will. These Gator Fasteners Performance Main Studs are a Heavy Duty studs designed for 6.6L Duramax LB7 and LLY Engines.


  • LB7/LLY Diesel
  • 2001-2005 Duramax
  • 6.6 Liter
  • Steel
  • Powdercoat Black
  • Kit

Silverado/Sierra 2500/3500 2001-05 6.6L LB7 & LLY Heavy Duty Main Stud Kit

  • Cancer and Reproductive Harm -
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