{"product_id":"gator-fasteners-heavy-duty-harmonic-damper-bolt-for-chevy-gmc-2001-25-6-6l-duramax-diesel","title":"Gator Fasteners Heavy Duty Harmonic Damper Bolt for Chevy\/GMC (2001-25) 6.6L Duramax Diesel","description":"\u003cp data-start=\"1002\" data-end=\"1329\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1006\" data-end=\"1065\"\u003eGator Fasteners Heavy Duty Harmonic Damper Bolt (HDB66)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered to provide superior clamping force and durability for\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1134\" data-end=\"1175\"\u003e2001-2025 6.6L Duramax Diesel engines\u003c\/strong\u003e. A secure harmonic damper is critical for maintaining crankshaft stability and preventing vibrations that can lead to premature engine wear or failure.\u003c\/p\u003e\n\u003cp data-start=\"1331\" data-end=\"1651\"\u003eUnlike most competitors who use\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1363\" data-end=\"1380\"\u003e8740 material\u003c\/strong\u003e, Gator Fasteners utilizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1407\" data-end=\"1416\"\u003eHD220\u003c\/strong\u003e, offering a significant increase in strength and durability. With an impressive\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1497\" data-end=\"1529\"\u003e220,000 PSI tensile strength\u003c\/strong\u003e, this bolt is built to handle\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1560\" data-end=\"1618\"\u003ehigh RPM, extreme boost, and heavy towing applications\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout stretching or failing.\u003c\/p\u003e\n\u003cp data-start=\"1653\" data-end=\"1961\"\u003eDesigned with\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1667\" data-end=\"1705\"\u003erolled threads after heat treating\u003c\/strong\u003e, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1711\" data-end=\"1720\"\u003eHDB66\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenhances fatigue resistance, ensuring a secure and long-lasting installation. Whether you’re upgrading your\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1829\" data-end=\"1890\"\u003edrag racing, sled pulling, off-road, or heavy-duty towing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esetup, this bolt delivers\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1917\" data-end=\"1958\"\u003eunmatched reliability and performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1963\" data-end=\"2122\"\u003eUpgrade your\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1976\" data-end=\"2023\"\u003e6.6L Duramax (LB7, LLY, LBZ, LMM, LML, L5P)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2029\" data-end=\"2080\"\u003eGator Fasteners Heavy Duty Harmonic Damper Bolt\u003c\/strong\u003e—because\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2089\" data-end=\"2120\"\u003e\"Nothing Bites Like Gator!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1963\" data-end=\"2122\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1963\" data-end=\"2122\"\u003e\u003cstrong data-start=\"2089\" data-end=\"2120\"\u003e\u003cb\u003e• Premium Heavy-Duty Harmonic Damper Bolt\u003c\/b\u003e\u003cspan\u003e – Designed for 2001-2025 6.6L Duramax Diesel engines (LB7, LLY, LBZ, LMM, LML, L5P).\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e• Stronger Than 8740 Material\u003c\/b\u003e\u003cspan\u003e – Made from Gator Fasteners' HD220 material for unmatched durability and strength.\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e• 220,000 PSI Tensile Strength\u003c\/b\u003e\u003cspan\u003e – Provides extreme clamping force to secure the damper under high stress.\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e• Rolled Threads After Heat Treating\u003c\/b\u003e\u003cspan\u003e – Increases fatigue resistance and prevents thread failure.\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e• Direct Replacement for OEM Bolt\u003c\/b\u003e\u003cspan\u003e – Perfect for stock and high-horsepower builds.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Gator Fasteners","offers":[{"title":"Default Title","offer_id":53236218888492,"sku":"HDB66","price":47.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8296\/7340\/files\/M199382952.jpg?v=1779490600","url":"https:\/\/2brothersperformance.com\/products\/gator-fasteners-heavy-duty-harmonic-damper-bolt-for-chevy-gmc-2001-25-6-6l-duramax-diesel","provider":"2 Brothers Performance","version":"1.0","type":"link"}