{"title":"FrankBUILT Packages Duramax","description":"","products":[{"product_id":"frankbuilt-performance-2001-2004-lb7-duramax-6-6l-head-gasket-kit-w-studs","title":"FrankBUILT Performance 2001-2004 LB7 Duramax 6.6L Head Gasket Kit w\/Studs","description":"\u003ch2\u003eFrankBUILT Performance LB7 Head Gasket Combo Kit (2001–2004 Duramax 6.6L LB7)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for durability and precision, this LB7 Head Gasket Combo Kit gives your Duramax a complete top-end sealing solution — combining premium MAHLE gaskets, Merchant Automotive hardware, and your choice of ARP, PPE, or OEM fasteners for maximum reliability and performance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eIncludes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMAHLE HS54580 Head Set\u003c\/strong\u003e – Complete upper gasket kit with O-rings, seals, and RTV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMAHLE 54597\u003c\/strong\u003e – Left Multi-Layered Steel (MLS) Head Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMAHLE 54598\u003c\/strong\u003e – Right Multi-Layered Steel (MLS) Head Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMerchant Automotive 10040\u003c\/strong\u003e – Injector Return Line Seals Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRequired Option (Select One):\u003c\/h4\u003e\n\u003cp\u003eChoose one head stud or bolt option to complete your kit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP 230-4201\u003c\/strong\u003e – ARP Head Stud Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGM 11610681\u003c\/strong\u003e – OEM Head Bolt Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMAHLE GS33504\u003c\/strong\u003e – MAHLE Head Bolt Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPE 118034300\u003c\/strong\u003e – PPE Head Stud Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e(One of the above options is required for purchase.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eOptional Cylinder Heads:\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eFleece Performance FPE-61-10001-D-CL Freedom Series Cupless Cylinder Head\u003c\/strong\u003e\u003cbr\u003ePremium direct-fit replacement for your LB7 that eliminates injector cup failures. Built from a brand-new aluminum casting, CNC-machined, and pressure-tested for durability. Ready to install with all new components.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo injector cups to leak — cupless injector bore design\u003c\/li\u003e\n\u003cli\u003eBrand-new aluminum casting (no core charge)\u003c\/li\u003e\n\u003cli\u003eCNC-machined with multi-angle valve job\u003c\/li\u003e\n\u003cli\u003ePressure \u0026amp; leak tested for reliability\u003c\/li\u003e\n\u003cli\u003eNew valves, guides, springs, and seals included\u003c\/li\u003e\n\u003cli\u003eIdeal for daily drivers and towing applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eFleece recommends GM 12637785 head gasket (Grade C, Left)\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePPE 110100101 Cast Iron Cylinder Head\u003c\/strong\u003e\u003cbr\u003eHeavy-duty upgrade for the LB7 designed to eliminate cracking, warping, and sealing issues. Cast in the USA from specialty alloyed gray cast iron for consistent clamping under heat.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e214N nitrided exhaust \u0026amp; chromoly-silicone intake valves\u003c\/li\u003e\n\u003cli\u003e125 lb conical valve springs with chromoly retainers\u003c\/li\u003e\n\u003cli\u003eCast-in injector cups eliminate leakage\u003c\/li\u003e\n\u003cli\u003eIncludes freeze plugs and dowels preinstalled\u003c\/li\u003e\n\u003cli\u003ePrevents gasket scrubbing and cracking under heat\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUpgraded pushrods recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePPE 110100111 Cast Iron Ported Cylinder Head\u003c\/strong\u003e\u003cbr\u003eHigh-performance version featuring 5-axis CNC-ported intake and exhaust runners for improved airflow and power. Cast from premium alloyed gray iron to perfectly match the block’s expansion rate, eliminating head gasket issues.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-Axis CNC-ported intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eReduced noise \u0026amp; vibration for a smoother ride\u003c\/li\u003e\n\u003cli\u003ePremium 21-4N, Stellite-reinforced nitridated valves\u003c\/li\u003e\n\u003cli\u003eHigher fatigue strength, heat resistance \u0026amp; efficiency\u003c\/li\u003e\n\u003cli\u003eAlloyed gray cast iron matches block expansion rate\u003c\/li\u003e\n\u003cli\u003eEliminates blown head gasket \u0026amp; injector cup issues\u003c\/li\u003e\n\u003cli\u003eIncludes rocker arm dowels \u0026amp; freeze plugs preinstalled\u003c\/li\u003e\n\u003cli\u003eReady to install – no machining required\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-fit replacement for \u003cstrong\u003e2001–2004 GM 6.6L Duramax LB7\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMulti-Layered Steel (MLS) head gaskets for maximum durability\u003c\/li\u003e\n\u003cli\u003eRubber intake and MLS exhaust manifold gaskets included\u003c\/li\u003e\n\u003cli\u003eComplete top-end solution with alignment pins and RTV sealant\u003c\/li\u003e\n\u003cli\u003eCompatible with stock, towing, and performance builds\u003c\/li\u003e\n\u003cli\u003eTrusted brands: \u003cstrong\u003eMAHLE, ARP, PPE, Fleece, Merchant Automotive\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2001–2004 Chevrolet Silverado 2500HD \/ 3500HD (6.6L Duramax LB7)\u003c\/li\u003e\n\u003cli\u003e2001–2004 GMC Sierra 2500HD \/ 3500HD (6.6L Duramax LB7)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e\n  .product__description p, .product__description ul, .product__description li {\n    margin: 0.3em 0 !important;\n    line-height: 1.35 !important;\n  }\n  .product__description h2, .product__description h4 {\n    margin-top: 1em !important;\n    margin-bottom: 0.3em !important;\n  }\n\u003c\/style\u003e","brand":"FrankBUILT Performance","offers":[{"title":"Default Title","offer_id":50924887081281,"sku":"FBP-LB7-HGK-STUDS-1","price":574.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8537\/5809\/files\/HS54580.jpg?v=1761062654"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8537\/5809\/collections\/Untitled_design_13_fbf93bbe-7984-4e5c-b232-1dec3e491ed6.png?v=1790093246","url":"https:\/\/frankbuiltperformance.com\/collections\/frankbuilt-packages-cummins-copy.oembed","provider":"FrankBUILT Performance","version":"1.0","type":"link"}