Gator Fasteners Heavy Duty Head Stud Kit, Chevy/GMC (2001-16) 6.6L Duramax Diesel

Heavy-duty head stud kit

Head stud kit (HSK66) from Gator Fasteners.

Built to replace stretch-prone factory head bolts with higher-strength studs Gator publishes for boosted and tuned diesel engines.

Who it's for

Diesel HD owners chasing head-gasket reliability under higher cylinder pressure, towing, or performance builds.

Key specs (per Gator Fasteners)

What's included

• Gator Juice assembly lubricant (where Gator packages it)
• Washers as Gator lists for this kit
• Nuts (12-point where listed) as Gator packages this PN
• Head studs manufactured from the alloy Gator publishes for this PN

Fitment notes

• Confirm engine family, year, and block against Gator’s product page for HSK66.
• Follow Gator’s published torque / stretch procedure and use the assembly lube they specify when included.
• Fitment notes from our listing: GM Duramax 2001-16 6.6L Duramax Diesel.

Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.