Unleash the Full Potential of Your L5P Duramax. 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.

• Made from HD220 High-Strength Material - Engineered for extreme durability and high-performance applications.
• 220,000 PSI Tensile Strength - Handles high cylinder pressures and extreme performance conditions.
• Maximum Clamping Force - Reduces the risk of head gasket failures in high-boost applications.
• Rolled Threads After Heat Treating - Increases strength and fatigue resistance for long-term reliability.
• Includes Gator Juice Assembly Lube - Ensures smooth installation and proper torque load.
• Precision Machined & Heat Treated - Ensures exact fitment and superior performance.
• Complete Installation Kit - Includes high-quality washers and nuts for a secure installation.
• Replaces Factory Head Bolts - Perfect upgrade for performance builds and heavy-duty applications.