{"product_id":"fluidampr-harmonic-damper-drill-pin-kit-for-01-25-chevy-gmc-2500hd-3500hd-duramax-6-6l-lb7-lly-lbz-lmm-lml-l5p-l5d","title":"Fluidampr Harmonic Damper Drill Pin Kit For 01-25 Chevy\/GMC 2500HD\/3500HD Duramax 6.6L LB7\/LLY\/LBZ\/LMM\/LML\/L5P\/L5D","description":"\u003cp\u003eWhen upgrading the harmonic damper on a Duramax diesel, securing the damper-to-crankshaft connection is essential to prevent slippage under heavy torque and high-RPM conditions. The Fluidampr Drill Pin Kit provides reinforced mounting support by adding a steel dowel pin between the crankshaft and damper for improved reliability on modified and high-performance 6.6L engines.\u003c\/p\u003e\n\u003cp\u003eDesigned for performance shops and diesel enthusiasts, this kit includes a precision drill fixture, hardened drill bit, and roll pin to ensure accurate alignment and secure fitment. Highly recommended for tuned or towing Duramax trucks running a Fluidampr or aftermarket performance damper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReinforces damper-to-crankshaft connection on high-torque Duramax builds\u003c\/li\u003e\n\u003cli\u003eHelps prevent damper slip under heavy load, towing, or tuning upgrades\u003c\/li\u003e\n\u003cli\u003ePrecision drill fixture ensures proper alignment and accurate drilling\u003c\/li\u003e\n\u003cli\u003eIncludes hardened drill bit and press-fit dowel pin for secure retention\u003c\/li\u003e\n\u003cli\u003eRecommended for 6.6L Duramax engines with performance modifications\u003c\/li\u003e\n\u003cli\u003eDurable construction ideal for diesel engine builders and service shops\u003c\/li\u003e\n\u003cli\u003eSupports crankshaft protection and improved long-term reliability\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for use with Fluidampr harmonic dampers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Fluidampr\u003c\/li\u003e\n\u003cli\u003ePin Size: 7\/8\" x 1\/4\" steel dowel\u003c\/li\u003e\n\u003cli\u003eDrill Bit Size: 1\/4\" included\u003c\/li\u003e\n\u003cli\u003eFixture: Alignment jig included\u003c\/li\u003e\n\u003cli\u003eInstall Type: Drill pin reinforcement\u003c\/li\u003e\n\u003cli\u003eRecommended RPM: High-RPM and tuned engines\u003c\/li\u003e\n\u003cli\u003eCompatibility: Works with Fluidampr and OEM dampers\u003c\/li\u003e\n\u003cli\u003eCountry of Manufacture: USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Drill fixture \u003c\/li\u003e\n\u003cli\u003e(1) 1\/4\" drill bit\u003c\/li\u003e\n\u003cli\u003e(1) Press-fit steel roll pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2001–2007 Chevrolet Silverado\/GMC Sierra 2500HD \u0026amp; 3500HD (LB7\/LLY\/LBZ)\u003c\/li\u003e\n\u003cli\u003e2007.5–2010 Chevrolet Silverado\/GMC Sierra 2500HD \u0026amp; 3500HD (LMM)\u003c\/li\u003e\n\u003cli\u003e2011–2016 Chevrolet Silverado\/GMC Sierra 2500HD \u0026amp; 3500HD (LML)\u003c\/li\u003e\n\u003cli\u003e2017–2025 Chevrolet Silverado\/GMC Sierra 2500HD \u0026amp; 3500HD (L5P\/L5D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 Year Warranty\u003c\/li\u003e\n\u003cli\u003eRecommended when upgrading to a Fluidampr performance damper\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fluidampr","offers":[{"title":"Default Title","offer_id":47464080212125,"sku":"300019 -FLD","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2504\/1821\/files\/3000191.jpg?v=1764946034","url":"https:\/\/rudysdiesel.com\/products\/fluidampr-harmonic-damper-drill-pin-kit-for-01-25-chevy-gmc-2500hd-3500hd-duramax-6-6l-lb7-lly-lbz-lmm-lml-l5p-l5d","provider":"Rudy's Performance Parts","version":"1.0","type":"link"}