Installation Time
(approx) 3 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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$574.99 kit
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Features, Description, Q&A, Specs & Installation
High-Strength Engine Upgrade. The Gator Fasteners Head Stud Kit is designed for heavy-duty reliability and high-performance builds in 2017-2021 6.6L Duramax GMC Sierra 3500 HD models. Engineered to handle extreme combustion pressures, this kit is ideal for diesel performance upgrades, towing, and high-boost applications. With unmatched strength and precision, it ensures superior head gasket sealing and durability under the most demanding conditions.
Construction and Appearance. Finished in matte black, each component in this kit is crafted from HD220 high-strength material with a tensile strength rating of 220,000 PSI. The studs are precision machined with heat-treated rolled threads for added fatigue resistance and secure clamping force. The kit also includes Gator Juice assembly lube to ensure proper torque loading and smooth installation.
Installation. Designed as a direct replacement, this head stud kit includes everything needed for a professional-grade install: studs, nuts, washers, bolts, and lube. While installation requires careful torque sequencing, the components are adaptable to standard diesel engine reassembly procedures for those experienced with engine builds or upgrades.
Application. This Gator Fasteners Head Stud Kit fits 2017-2021 6.6L Duramax GMC Sierra 3500 HD models. It strengthens your engine's sealing capability and withstands high cylinder pressures, making it an essential component for enhanced performance, reliability, and long-term durability in heavy-duty diesel applications.
Gator Fasteners HSK66L5P
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 3 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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