2017-2021 Duramax L5P Gator Fasteners Heavy Duty Head Stud Kit (HSK66L5P)
2017-2021 Duramax L5P Gator Fasteners Heavy Duty Head Stud Kit (HSK66L5P) is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
2017-2021 Duramax L5P Gator Fasteners Heavy Duty Head Stud Kit (HSK...
2017-2021 Duramax L5P Gator Fasteners Heavy Duty Head Stud Kit (HSK66L5P) is backordered and will ship as soon as it is back in stock.
Description
Description
2017-2021 Duramax L5P Gator Fasteners Heavy Duty Head Stud Kit (HSK66L5P)
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."
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: HSK66L5P
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Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
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