{"product_id":"gator-fasteners-heavy-duty-head-stud-kit-2001-2016-chevy-gmc-6-6l-duramax-diesel-hsk66","title":"Gator Fasteners Heavy Duty Head Stud Kit – 2001-2016 Chevy\/GMC 6.6L Duramax Diesel (HSK66)","description":"\u003cp\u003eKeep your Duramax's head gaskets sealed under boost with the Gator Fasteners Heavy Duty Head Stud Kit for 2001-2016 Chevrolet and GMC 6.6L Duramax diesel trucks (LB7, LLY, LBZ, LMM, and LML). Factory torque-to-yield head bolts stretch and lose clamping force over time, especially on trucks running higher fuel pressure, bigger injectors, or aftermarket tuning — this kit replaces them with reusable, precision-machined studs for consistent, repeatable clamping load every time you service the heads.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from HD220 high-strength material rated to 220,000 PSI tensile strength\u003c\/li\u003e\n\u003cli\u003eRolled threads after heat treating for maximum fatigue strength and thread integrity\u003c\/li\u003e\n\u003cli\u003ePrecision machined and heat treated for consistent torque values\u003c\/li\u003e\n\u003cli\u003eComplete kit includes studs, washers, and nuts for both cylinder heads\u003c\/li\u003e\n\u003cli\u003eIncludes Gator Juice assembly lubricant for accurate torque readings on install\u003c\/li\u003e\n\u003cli\u003eFits: 2001-2016 Chevrolet Silverado 2500\/3500 HD and GMC Sierra 2500\/3500 HD with the 6.6L Duramax diesel engine (LB7, LLY, LBZ, LMM, LML)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMfg Part #: HSK66. A must-have upgrade for any Duramax running towing loads, EGR\/head gasket repairs, or performance tuning above stock boost and fuel levels.\u003c\/p\u003e","brand":"Gator Fasteners","offers":[{"title":"Default Title","offer_id":67619050684576,"sku":"GTF-HSK66","price":671.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/GTFHSK66_1.jpg?v=1790795464","url":"https:\/\/obsrevivalparts.com\/products\/gator-fasteners-heavy-duty-head-stud-kit-2001-2016-chevy-gmc-6-6l-duramax-diesel-hsk66","provider":"OBS Revival Parts","version":"1.0","type":"link"}