{"product_id":"2011-2016-duramax-6-6l-lml-precision-plus-reman-long-block","title":"2011-2016 Duramax 6.6L LML Precision Plus Reman Long Block","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cp\u003eThe Precision Plus Long Block is D\u0026amp;J Precision Machine's most complete replacement engine for 2011-2016 GM 6.6L LML Duramax trucks, built to fix the LML's known weak points instead of just putting it back to stock. ARP head studs with MLS head gaskets, an upgraded L5P oil cooler, a pinned oil pump and a keyed crank and cam address the common head gasket, piston cracking and timing failures. It arrives with the intake manifolds, rocker boxes, valve covers, harmonic balancer and flywheel already installed to save hours of parts transfer, and every engine is run on D\u0026amp;J's in-house RMC test system before it ships.\u003c\/p\u003e\n\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Remanufactured Long Block: Fully rebuilt to D\u0026amp;J Precision Machine specifications for a reliable replacement engine.\u003c\/li\u003e\n\u003cli\u003ePrecision Machined: CNC blueprinted, bored, honed, and deck surfaced for precise cylinder geometry and proper piston fit. Each crankshaft is checked for straightness and size and repaired as needed.\u003c\/li\u003e\n\u003cli\u003eNew OEM-Spec Tier 1 Pistons and Rings: Provides a high-quality piston and ring package for proper fit, sealing, and consistent engine performance.\u003c\/li\u003e\n\u003cli\u003eUpgraded L5P Oil Cooler: Improves engine oil cooling to help maintain lower oil temperatures and reduce the risk of piston cracking and related engine failure.\u003c\/li\u003e\n\u003cli\u003eRemanufactured Cylinder Heads: Resurfaced and fitted with recut valve seats and new valves for proper sealing and reliable valve operation. The upgraded L5P top-hat valve stem seal design helps prevent valve seal failure and improve long-term durability.\u003c\/li\u003e\n\u003cli\u003eUpgraded ARP Head Studs and MLS Head Gaskets: Provides increased clamping strength and reliable cylinder sealing to help address common LML head gasket failure.\u003c\/li\u003e\n\u003cli\u003ePinned Oil Pump: Secures the oil pump to help prevent pump rotation and maintain consistent oil pressure.\u003c\/li\u003e\n\u003cli\u003eKeyed Crankshaft and Camshaft: Addresses a known failure point by providing positive mechanical retention between the shaft and gear, helping prevent unwanted movement and related component failure.\u003c\/li\u003e\n\u003cli\u003eNew Bearings and Thrust Washers: Restores proper internal clearances and supports reliable engine operation.\u003c\/li\u003e\n\u003cli\u003eNew Valves: New high-quality valves provide reliable sealing and consistent valve operation for improved long-term durability and performance.\u003c\/li\u003e\n\u003cli\u003eNew Valve Springs: Restores proper valvetrain operation and performance.\u003c\/li\u003e\n\u003cli\u003eRocker Boxes, Valve Covers and Intake Manifolds Included: Reduces component transfer and installation time for a more complete replacement package.\u003c\/li\u003e\n\u003cli\u003eComplete Rotating Assembly: Includes the harmonic balancer, flywheel, flex plate, flex plate washer, and new mounting hardware.\u003c\/li\u003e\n\u003cli\u003ePrecision Assembly: Critical engine dimensions and clearances are verified throughout the build for consistent quality.\u003c\/li\u003e\n\u003cli\u003eIn-House RMC Engine Testing: Before shipment, every engine is mounted on D\u0026amp;J's dynamic engine test system and rotated at speed while sensors measure oil pump pressure and volume, cylinder compression, and cooling system integrity. This lets D\u0026amp;J catch internal issues in-house, before the engine ever reaches your truck.\u003c\/li\u003e\n\u003cli\u003eBuilt for Everyday Use: Designed to provide reliable performance for everyday driving, and towing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eWhat's Included\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eValvetrain, rocker boxes, valve covers and intake manifolds pre-installed\u003c\/li\u003e\n\u003cli\u003eUpgraded L5P oil cooler\u003c\/li\u003e\n\u003cli\u003eHarmonic balancer, flywheel\/flex plate, flex plate washer and new mounting hardware\u003c\/li\u003e\n\u003cli\u003eUpper gasket kit\u003c\/li\u003e\n\u003cli\u003eOil filter\u003c\/li\u003e\n\u003cli\u003eBreak-in oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eInstallation\u003c\/h6\u003e\n\u003cp\u003eApproximate installation time: 19 hours.\u003c\/p\u003e\n\n\u003ch6\u003eCore Charge\u003c\/h6\u003e\n\u003cp\u003eA refundable core charge applies to this long block. The core deposit is refunded once a complete, rebuildable core is returned and accepted by D\u0026amp;J Precision Machine.\u003c\/p\u003e\n\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003cp\u003e24 months \/ 100,000 miles parts and 24 months labor through D\u0026amp;J Precision Machine. For warranty claims or issues, contact D\u0026amp;J Precision Machine directly at 740-297-7223.\u003c\/p\u003e\n\n\u003ch6\u003eManufacturer Description\u003c\/h6\u003e\n\u003cp\u003eThe D\u0026amp;J Precision Machine Precision Plus Long Block is a complete replacement engine solution for 2011-2016 GM 6.6L LML Duramax applications. Each engine is completely disassembled, cleaned, inspected, precision machined, and rebuilt to D\u0026amp;J Precision Machine specifications.\u003c\/p\u003e\n\u003cp\u003eThe block is precision machined and matched with OEM-spec Tier 1 pistons and rings as required for proper fit and performance. Cylinder heads are inspected and resurfaced with recut valve seats and new valves. The upgraded L5P top-hat valve stem seal design helps prevent valve seal failure and improve long-term durability.\u003c\/p\u003e\n\u003cp\u003eThe engine is assembled with Tier 1 MLS head gaskets and upgraded ARP head studs for improved sealing and clamping strength. An upgraded L5P oil cooler helps maintain lower engine oil temperatures and reduce the risk of piston cracking and related engine failure.\u003c\/p\u003e\n\u003cp\u003eThe oil pump is pinned to help prevent oil pump rotation and loss of oil pressure. The crankshaft and camshaft are keyed to provide positive timing and component retention.\u003c\/p\u003e\n\u003cp\u003eNew bearings, thrust washers, lifters, valve springs, and freeze plugs are installed as part of the remanufacturing process.\u003c\/p\u003e\n\u003cp\u003eThe Precision Plus Long Block is the most complete LML long block available, reducing parts transfer and installation time. Each engine comes with the valvetrain, rocker boxes, valve covers, and intake manifold pre-installed. It also includes the harmonic balancer, flywheel, mounting hardware, upper gasket kit, oil filter, and break-in oil.\u003c\/p\u003e\n\u003cp\u003eEach engine is measured and tested in-house using D\u0026amp;J Precision Machine's RMC ETS test equipment before shipment. The engine undergoes a controlled test sequence to verify key operating conditions, including oil pump pressure and volume, cylinder compression, and cooling system integrity. This in-house testing allows D\u0026amp;J to identify potential issues before the engine leaves the facility, providing an additional level of quality control and helping ensure the completed long block is ready for installation and service.\u003c\/p\u003e\n\u003cp\u003eThe result is a professionally remanufactured LML Duramax long block designed to provide dependable performance for everyday driving and towing applications.\u003c\/p\u003e","brand":"D\u0026J Precision Machine","offers":[{"title":"Default Title","offer_id":67614532927856,"sku":"DJPLB100111","price":18949.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2084\/8209\/files\/djplb100111_01.png?v=1790870454","url":"https:\/\/www.dirtydieselcustom.ca\/products\/2011-2016-duramax-6-6l-lml-precision-plus-reman-long-block","provider":"Dirty Diesel Customs","version":"1.0","type":"link"}