The Gator Fasteners Heavy Duty Head Stud Kit (HSK66L5P) is built to handle the extreme pressures and demands of high-performance 2017-2025 6.6L L5P Duramax engines. Whether you're pushing high boost, heavy towing, or aggressive tuning, this kit ensures superior clamping force to prevent head gasket failures.
Unlike factory head bolts that stretch under high pressure, Gator Fasteners head studs offer maximum durability and strength, making them the perfect solution 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."
