{"product_id":"performance-head-gasket-kit-for-lincoln-mark-lt-2007-2008-5-4l","title":"Performance Head Gasket Kit \u0026 Seals for Lincoln Mark LT (2007-2008) 5.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Performance Full Engine Head Gasket Kit for 2007-2008 Lincoln Mark LT (P221)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Head Gasket Kit provides a complete, heavy-duty sealing solution for the 2007-2008 Lincoln Mark LT to eliminate combustion pressure leaks, prevent oil and coolant cross-contamination, and maintain peak cylinder compression.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Lincoln Mark LT Head Gasket Failure Point\u003c\/h3\u003e\n\u003cp\u003eThe factory sealing interfaces on the \u003cstrong\u003e5.4L Triton 3V\u003c\/strong\u003e engine are prone to failure under continuous thermal cycling and heavy towing duty. Over time, OEM composite gaskets degrade around narrow cylinder bore bridges and rear oil galleries. This degradation leads to high-pressure blow-by, external coolant leaks down the rear block face, and internal fluid mixing that compromises bottom-end bearings and valvetrain oil pressure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for rigorous duty cycles, this complete rebuild set utilizes multi-layer steel (MLS) head gaskets with high-recovery combustion fire rings to ensure maximum radial clamping force. Precision elastomeric surface coatings accommodate thermal expansion differentials between cast iron blocks and aluminum cylinder heads without shearing. Paired with high-durometer fluoroelastomer valve stem seals and heat-resistant manifold gaskets, this direct-fit overhaul package delivers reliable fluid containment across high-mileage \u003cstrong\u003eP221\u003c\/strong\u003e chassis platforms.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Valve Oil Seal Set\u003c\/li\u003e\n  \u003cli\u003e2 Head Gaskets\u003c\/li\u003e\n  \u003cli\u003e2 Valve Cover Gaskets\u003c\/li\u003e\n  \u003cli\u003e2 Intake Manifold Gaskets\u003c\/li\u003e\n  \u003cli\u003e4 Exhaust Manifold Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 Oil Pan Gasket\u003c\/li\u003e\n  \u003cli\u003e1 Crankshaft Rear Oil Seal\u003c\/li\u003e\n  \u003cli\u003e2 Crankshaft Front Oil Seals\u003c\/li\u003e\n  \u003cli\u003e1 Oil Filter Gasket\u003c\/li\u003e\n  \u003cli\u003e2 Water Outlet Gaskets\u003c\/li\u003e\n  \u003cli\u003eOther small gaskets and seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2007-2008 Lincoln Mark LT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e5.4L Triton 3V SOHC 24V \/ P221\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e300 hp \/ 365 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2007 Lincoln Mark LT Base Crew Cab 5.4L V8 Triton SOHC 24V\u003c\/li\u003e\n  \u003cli\u003e2008 Lincoln Mark LT Base Crew Cab 5.4L V8 Triton SOHC 24V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the P221 Mark LT?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2008 Lincoln Mark LT equipped with the \u003cstrong\u003e5.4L Triton 3V\u003c\/strong\u003e SOHC 24-valve engine. \u003cstrong\u003eThis kit does not fit earlier 2-valve 5.4L engines, 4.6L V8 variants, or 4-valve InTech architectures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eCan I reuse my factory head bolts with this gasket kit?\u003c\/h4\u003e\n\u003cp\u003eNo, the factory head bolts are torque-to-yield (TTY) and permanently stretch during initial installation; you must install new TTY head bolts or high-tensile head studs to ensure proper gasket compression.\u003c\/p\u003e\n\n\u003ch3\u003eThe Lincoln Durability Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned to support sustained heavy-duty towing loads and high payload demands, this comprehensive gasket kit delivers the commercial-grade thermal endurance required to keep your luxury truck operating at peak mechanical capability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67547093041400,"sku":"DS-E5U8LO66X","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-head-gasket-kit-for-lincoln-mark-lt-2007-2008-5-4l-1.jpg?v=1790740553","url":"https:\/\/performancechiptuning.com\/es\/products\/performance-head-gasket-kit-for-lincoln-mark-lt-2007-2008-5-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}