{"product_id":"gator-fasteners-heavy-duty-main-stud-kit-2001-2005-chevy-gmc-6-6l-lb7-lly-duramax-diesel-msk667y","title":"Gator Fasteners Heavy Duty Main Stud Kit – 2001-2005 Chevy\/GMC 6.6L LB7\/LLY Duramax Diesel (MSK667Y)","description":"\u003cp\u003eSecure your Duramax's rotating assembly under high cylinder pressure with the Gator Fasteners Heavy Duty Main Stud Kit for 2001-2005 Chevrolet and GMC 6.6L LB7 and LLY Duramax diesel trucks. Factory main bearing cap bolts can stretch and lose clamping force as boost, injector output, and cylinder pressure climb — this kit replaces them with reusable, precision-machined studs that keep the main bearing caps clamped tight and the crankshaft properly supported.\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, repeatable torque values\u003c\/li\u003e\n\u003cli\u003eComplete kit includes studs, washers, and nuts for all main bearing caps\u003c\/li\u003e\n\u003cli\u003eFits: 2001-2005 Chevrolet Silverado 2500\/3500 HD and GMC Sierra 2500\/3500 HD with the 6.6L LB7 or LLY Duramax diesel engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMfg Part #: MSK667Y. Recommended alongside head studs for any LB7\/LLY Duramax pushed beyond stock power, towing heavy loads regularly, or being built for performance.\u003c\/p\u003e","brand":"Gator Fasteners","offers":[{"title":"Default Title","offer_id":67619051733152,"sku":"GTF-MSK667Y","price":341.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/GTFMSK667Y_1.jpg?v=1790795508","url":"https:\/\/obsrevivalparts.com\/products\/gator-fasteners-heavy-duty-main-stud-kit-2001-2005-chevy-gmc-6-6l-lb7-lly-duramax-diesel-msk667y","provider":"OBS Revival Parts","version":"1.0","type":"link"}