{"product_id":"dfc-diesel-ss660607lbzsoalbcc","title":"DFC Diesel SS660607LBZSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard\/Auto) | 2006-2007 GM\/Chevrolet 2500HD\/3500HD 6.6L Duramax LBZ","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-year\/160,000 km warranty coverage\u003c\/li\u003e\n\u003cli\u003eEquipped with Callies forged steel crankshaft\u003c\/li\u003e\n\u003cli\u003eTotal Seal gapless piston rings included\u003c\/li\u003e\n\u003cli\u003eARP or OptiTorque head studs installed\u003c\/li\u003e\n\u003cli\u003eEDM doweled oil pump gear for durability\u003c\/li\u003e\n\u003cli\u003eWoodruff keyed camshaft for secure fitment\u003c\/li\u003e\n\u003cli\u003ePrecision machining with advanced Rottler equipment\u003c\/li\u003e\n\u003cli\u003eImproved gasket sealing in leak-prone areas\u003c\/li\u003e\n\u003cli\u003eAll new pistons, rings, and bearings\u003c\/li\u003e\n\u003cli\u003eNew gaskets, seals, and valve components\u003c\/li\u003e\n\u003cli\u003eCylinder heads resurfaced and magnafluxed\u003c\/li\u003e\n\u003cli\u003eComplete top-end gasket kit included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTake Your Duramax To The Next Level\u003c\/h4\u003e\n\u003cp\u003eIf you want a serious step up in strength and performance for your 2006-2007 GM or Chevrolet 2500HD or 3500HD with the 6.6L Duramax LBZ, this DFC Diesel Street Series Long Block delivers in every way. Built with a Callies forged steel crankshaft, it is designed to handle heavy loads, long hours, and hard driving without flinching. The Street Series is perfect for work trucks, daily drivers, and diesel enthusiasts who demand more than stock can offer. Upgrades like ARP or OptiTorque head studs, Total Seal gapless piston rings, and a precision EDM doweled oil pump gear give you reliability where it counts most. This engine is not just about power, it is about building a foundation you can trust for years. Backed by a 5-year or 160,000 km warranty, you can run it with confidence in everything from cross-country hauls to demanding job site work. Once installed, it is the kind of upgrade that makes your truck feel ready for anything.\u003c\/p\u003e\n\u003ch4\u003eBuilt With Premium Components From Block To Crank\u003c\/h4\u003e\n\u003cp\u003eThe DFC Diesel SS660607LBZSOALBCC Street Series Long Block starts with a fully remanufactured block, precision machined and bored to accept next over-sized pistons for optimal fit. At its core is a Callies forged steel crankshaft, known for its exceptional strength and long-term durability. All internal components, including pistons, rings, bearings, and gaskets, are brand new and meet or exceed OEM specifications. The cylinder heads are completely remanufactured with new seats, guides, valves, and stem seals, then resurfaced and magnafluxed to ensure flawless sealing and strength. Rockers and pushrods are preset to exact factory specifications for smooth operation from the moment you fire it up. Advanced Rottler machining technology ensures precise tolerances throughout the build, while upgraded gasket sealing methods help prevent leaks in known trouble areas. A complete top-end gasket kit is included, giving you everything you need to complete a clean, reliable installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2006, 2007 GM\/Chevrolet 2500HD\/3500HD 6.6L Duramax LBZ\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 2006-2007 GM\/Chevrolet 2500HD and 3500HD with 6.6L Duramax LBZ\u003c\/li\u003e\n\u003cli\u003eStreet Series is DFC’s flagship build for performance and reliability\u003c\/li\u003e\n\u003cli\u003eEquipped with a Callies forged steel crankshaft for added strength\u003c\/li\u003e\n\u003cli\u003eEngine is a remanufactured long block, not a complete drop-in\u003c\/li\u003e\n\u003cli\u003eIncludes upgrades to address common factory problem areas\u003c\/li\u003e\n\u003cli\u003eProfessionally machined and bored for next over-sized pistons\u003c\/li\u003e\n\u003cli\u003eBuilt with all new OEM or equivalent internal components\u003c\/li\u003e\n\u003cli\u003eCylinder heads are fully re-manufactured, resurfaced, and magnafluxed\u003c\/li\u003e\n\u003cli\u003eRockers and pushrods are preset to factory specifications\u003c\/li\u003e\n\u003cli\u003eComes with a complete top-end gasket kit for installation\u003c\/li\u003e\n\u003cli\u003eBacked by a 5-year \/ 160,000 km manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"884\" data-end=\"931\"\u003eStreet Series vs Tow\/Haul vs Tow\/Haul HD\u003c\/h3\u003e\n\u003cul data-start=\"933\" data-end=\"1398\"\u003e\n\u003cli data-start=\"933\" data-end=\"1099\"\u003e\n\u003cp data-start=\"935\" data-end=\"1099\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStreet Series:\u003c\/span\u003e Ideal for daily driving, light work, and diesel enthusiasts. Focuses on reliability upgrades over stock, with head stud and sealing improvements.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1100\" data-end=\"1240\"\u003e\n\u003cp data-start=\"1102\" data-end=\"1240\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTow\/Haul Series:\u003c\/span\u003e All Street upgrades plus added performance parts for higher load and towing power. Supports builds up to ~700 HP.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1241\" data-end=\"1398\"\u003e\n\u003cp data-start=\"1243\" data-end=\"1398\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTow\/Haul HD Series:\u003c\/span\u003e The most robust option. Adds heavy-duty internals like Wagler rods and a balanced rotating assembly for 800+ HP capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1405\" data-end=\"1445\"\u003eStandard\/Auto vs Standard vs Auto\u003c\/h3\u003e\n\u003cul data-start=\"1447\" data-end=\"1706\"\u003e\n\u003cli data-start=\"1447\" data-end=\"1557\"\u003e\n\u003cp data-start=\"1449\" data-end=\"1557\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStandard\/Auto:\u003c\/span\u003e Compatible with both manual and automatic transmissions. Offers the most flexibility.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1558\" data-end=\"1636\"\u003e\n\u003cp data-start=\"1560\" data-end=\"1636\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStandard:\u003c\/span\u003e Built specifically for manual transmission configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1637\" data-end=\"1706\"\u003e\n\u003cp data-start=\"1639\" data-end=\"1706\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eAuto\u003c\/span\u003e: Built specifically for automatic transmission setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFC Diesel","offers":[{"title":"Default Title","offer_id":68060705161489,"sku":"DDU-SS660607LBZSOALBCC","price":16369.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/0477\/1089\/files\/dfc-diesel-long-block-crate-engine-2001-2004-gm-6.6l-lb7-duramax-660104lb7lb__48046_31728cec-1dc2-4b1e-a31d-a710dfacc979.jpg?v=1794721775","url":"https:\/\/gautoparts.com\/products\/dfc-diesel-ss660607lbzsoalbcc","provider":"Guaranteed Auto Parts","version":"1.0","type":"link"}