{"title":"LLY DURAMAX ENGINE \u0026 COMPONENTS","description":null,"products":[{"product_id":"fleece-billet-rocker-bridges-2001-2023-duramax","title":"Fleece Billet Rocker Bridges 2001-2023 Duramax","description":"\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003eFleece Performance billet rocker arm bridges for the 2001-2023 GM 6.6L Duramax are designed for high stress applications. Direct replacement for GM part numbers 12638258, 97219193 and 97380130.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003eMachined from billet tool steel, the bridges are surface ground for flatness and nitrided to create a durable, low friction surface.  Includes 16 bridges. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warranty\"\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.fleeceperformance.com\/media\/wysiwyg\/FleecePerformanceEngineering_Warranty.pdf\" target=\"_blank\"\u003e1 Year Limited Parts Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"FLEECE","offers":[{"title":"Default Title","offer_id":52478143627544,"sku":"FPE-BRAB-D1","price":512.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7511\/1704\/files\/fpe-brab-d1-f1.png?v=1785879209"},{"product_id":"fleece-freedom-series-duramax-cylinder-head-for-2006-2010-lbz-lmm-driver-side-copy","title":"Fleece Freedom Series Duramax Cylinder Head for 2004.5-2005 LLY (Passenger Side)","description":"\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003eIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals.  Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. Now available with no core charge!  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNew casting\u003c\/li\u003e\n\u003cli\u003eNew valve guides, new springs, and new valve seals\u003c\/li\u003e\n\u003cli\u003ePressure and leak tested\u003c\/li\u003e\n\u003cli\u003ePrecision ground stock valves with a 45 degree angle\u003c\/li\u003e\n\u003cli\u003eMulti-angle valve job\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWe recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warranty\"\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.fleeceperformance.com\/media\/wysiwyg\/FleecePerformanceEngineering_Warranty.pdf\" target=\"_blank\"\u003e1 Year Limited Parts Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"FLEECE","offers":[{"title":"Default Title","offer_id":52480218956056,"sku":"FPE-61-10002-P","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7511\/1704\/files\/fpe-61-10004-t2_2.png?v=1785934718"},{"product_id":"fleece-freedom-series-duramax-cylinder-head-for-2004-5-2005-lly-passenger-side-copy","title":"Fleece Freedom Series Duramax Cylinder Head for 2004.5-2005 LLY (Driver Side)","description":"\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003eIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals.  Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. Now available with no core charge!  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNew casting\u003c\/li\u003e\n\u003cli\u003eNew valve guides, new springs, and new valve seals\u003c\/li\u003e\n\u003cli\u003ePressure and leak tested\u003c\/li\u003e\n\u003cli\u003ePrecision ground stock valves with a 45 degree angle\u003c\/li\u003e\n\u003cli\u003eMulti-angle valve job\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWe recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warranty\"\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.fleeceperformance.com\/media\/wysiwyg\/FleecePerformanceEngineering_Warranty.pdf\" target=\"_blank\"\u003e1 Year Limited Parts Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"FLEECE","offers":[{"title":"Default Title","offer_id":52480222953752,"sku":"FPE-61-10002-D","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7511\/1704\/files\/fpe-61-10004-t2_2.png?v=1785934718"},{"product_id":"arp-230-4201-diesel-head-stud-kit-01-16-6-6l-gm-duramax","title":"ARP 230-4201 Diesel Head Stud Kit 01-16 6.6L GM Duramax","description":"\u003cp\u003eARP 230-4201 Head Stud kit is a must have upgrade for your 01-16 6.6L Duramax. ARP studs are far superior to the factory Torque-To-Yield bolts. whether you have a stock truck or are wanting to add power this head stud kit is a great upgrade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eARP 2000 MATERIAL\u003c\/li\u003e\n\u003cli\u003e220,000 PSI TENSILE STRENGTH\u003c\/li\u003e\n\u003cli\u003e12-POINT CHROME MOLY NUTS\u003c\/li\u003e\n\u003cli\u003eBLACK OXIDE COATING\u003c\/li\u003e\n\u003cli\u003e0.5 OZ ARP ASSEMBLY LUBE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":52545430618392,"sku":"230-4201","price":776.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7511\/1704\/files\/3704.webp?v=1787169680"},{"product_id":"2001-2010-gm-6-6l-duramax-heavy-duty-cast-aluminum-engine-oil-pan","title":"PPE 2001-2010 GM 6.6L Duramax Heavy-Duty Cast Aluminum Engine Oil Pan BLACK FINISH","description":"\u003cp\u003e\u003cspan class=\"product_sku\"\u003ePART NUMBER:\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"js-product-sku\"\u003e114052020\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"product_gtin\"\u003eGTIN:\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"js-product-gtin\"\u003e840171206487\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM P\/N REFERENCE:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGM 98073535\u003c\/p\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium A356.0-T6 heat-treated cast aluminum alloy – a high-strength, thermally conductive material\u003c\/li\u003e\n\u003cli\u003ePrecision-cast using permanent steel molds for a smooth, consistent finish and high dimensional accuracy\u003c\/li\u003e\n\u003cli\u003eIncreases oil capacity by one quart for higher thermal capacity\u003c\/li\u003e\n\u003cli\u003eLongitudinal cooling channels along the bottom of the pan, increasing external surface area and enhancing heat dissipation\u003c\/li\u003e\n\u003cli\u003eCast-in gussets for additional upper oil pan flange support and increased rigidity\u003c\/li\u003e\n\u003cli\u003ePrecision machined sealant grooves guide the application of RTV-style sealant for a consistent bead and a reliable seal\u003c\/li\u003e\n\u003cli\u003eStainless steel drain plug with built-in high temperature rated neodymium magnet\u003c\/li\u003e\n\u003cli\u003eEquipped with a 1\/8-inch NPT port with pre-installed NPT plug\u003c\/li\u003e\n\u003cli\u003eCompatible with the OEM oil level sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":52607205507352,"sku":"114052020","price":278.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7511\/1704\/files\/2001-2010-GM-6.6L-Duramax-PPE-High-Capacity-Cast-Aluminum-Engine-Oil-Pan-Pacific-Performance-Engineering-682621_1200x_1.webp?v=1788371922"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7511\/1704\/collections\/ChatGPT_Image_Jul_31_2026_12_45_56_PM_ef6bd538-4f65-4a00-b744-96cbf8a373c6.png?v=1785867775","url":"https:\/\/dirtydiamondperformance.com\/collections\/lly-duramax-engine-components.oembed","provider":"Dirty Diamond Performance","version":"1.0","type":"link"}