{"product_id":"chevy-lbz-duramax-cylinder-head-set","title":"Chevy LBZ Duramax Cylinder Head Set","description":"\u003cstyle\u003e\n    .cep-product-description {\n      max-width: 100%;\n      margin: 0 auto;\n    }\n    \n    .cep-intro {\n      margin-bottom: 24px;\n      padding-bottom: 20px;\n      border-bottom: 2px solid #e4e4e7;\n    }\n\n    .cep-section-title {\n      margin-top: 32px;\n      margin-bottom: 6px;\n      text-transform: uppercase;\n      letter-spacing: 0.5px;\n    }\n\n    .cep-section-subtitle {\n      margin-top: 0;\n      margin-bottom: 16px;\n      opacity: 0.85;\n    }\n\n    \/* Vehicle Fitment Stack *\/\n    .cep-years-stack {\n      display: flex;\n      flex-direction: column;\n      gap: 10px;\n      margin-bottom: 32px;\n    }\n    .cep-year-pill {\n      background-color: rgba(0, 0, 0, 0.03);\n      border: 1px solid #d4d4d8;\n      border-left: 4px solid #2a599b;\n      border-radius: 6px;\n      padding: 12px 16px;\n    }\n\n    \/* Native Bullet List Styling for Choate Advantage *\/\n    .cep-advantage-list {\n      margin: 0 0 32px 0;\n      padding-left: 20px;\n    }\n    .cep-advantage-list li {\n      margin-bottom: 10px;\n    }\n\n    \/* Included Box *\/\n    .cep-included-box {\n      background-color: #18181b;\n      color: #ffffff;\n      padding: 24px;\n      border-radius: 8px;\n      border-top: 4px solid #b87332;\n    }\n    .cep-included-box h3 {\n      color: #ffffff !important;\n      margin-top: 0;\n      margin-bottom: 16px;\n      border-bottom: 1px solid #3f3f46;\n      padding-bottom: 8px;\n      text-transform: uppercase;\n      letter-spacing: 0.5px;\n    }\n    .cep-included-list {\n      margin: 0;\n      padding-left: 20px;\n      display: flex;\n      flex-direction: column;\n      gap: 8px;\n    }\n    .cep-included-list li {\n      color: #e4e4e7;\n    }\n  \u003c\/style\u003e\n\u003cdiv class=\"cep-product-description\"\u003e\n\u003c!-- Overview Header --\u003e\n\u003cp class=\"cep-intro\"\u003eUpgrade your 6.6L LBZ Duramax with a fully remanufactured, precision-engineered \u003cb\u003ecomplete set (pair) of cylinder heads\u003c\/b\u003e from Choate Engineering Performance. Built from pressure-tested OEM cores and re-engineered to fix factory failure points, this set delivers unmatched sealing, valvetrain stability, and long-term reliability for your 2006–2007 GM Super Duty.\u003c\/p\u003e\n\u003c!-- Step 1: Model Comparison Table --\u003e\n\u003ch2 class=\"cep-section-title\"\u003e\u003c\/h2\u003e\n\u003ch2 class=\"cep-section-title\"\u003eChoose Your Model Tier\u003c\/h2\u003e\n\u003cp class=\"cep-section-subtitle\"\u003eSelect the tier that matches your truck’s setup, workload, and performance goals from the dropdown options above:\u003c\/p\u003e\n\u003cdiv class=\"cep-table-container\" style=\"overflow-x: auto; margin-bottom: 32px; width: 100%;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; border: 1px solid #e4e4e7;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: rgba(0, 0, 0, 0.02); border-bottom: 2px solid #e4e4e7;\"\u003e\n\u003cth style=\"padding: 14px 16px; border-right: 1px solid #e4e4e7; vertical-align: bottom;\"\u003eFeatures \u0026amp; Specs\u003c\/th\u003e\n\u003cth style=\"padding: 14px 16px; border-right: 1px solid #e4e4e7; border-top: 4px solid #487cbf; vertical-align: top;\"\u003e\n\u003cstrong\u003eDaily Driver Set\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-weight: normal; font-size: 0.85em; opacity: 0.8;\"\u003eStock to Light Duty\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth style=\"padding: 14px 16px; border-right: 1px solid #e4e4e7; border-top: 4px solid #2a599b; vertical-align: top;\"\u003e\n\u003cstrong\u003eWorkhorse Set\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-weight: normal; font-size: 0.85em; opacity: 0.8;\"\u003eHeavy Towing \u0026amp; Tunes\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth style=\"padding: 14px 16px; border-top: 4px solid #b87332; vertical-align: top;\"\u003e\n\u003cstrong\u003eWorkhorse Plus Set\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-weight: normal; font-size: 0.85em; opacity: 0.8;\"\u003eExtreme HP \u0026amp; Max Boost\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003c!-- Best For --\u003e\n\u003ctr style=\"border-bottom: 1px solid #e4e4e7;\"\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eDaily driving, stock replacements, and light towing.\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eHeavy-duty work trucks, frequent towing, and moderate performance tunes.\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eHeavy sled pulling, drag racing, high-horsepower tunes, and extreme towing builds.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- Custom O-Rings --\u003e\n\u003ctr style=\"border-bottom: 1px solid #e4e4e7; background-color: rgba(0, 0, 0, 0.01);\"\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\u003cstrong\u003eCustom O-Ringed Decks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7; opacity: 0.5;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\n\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\n\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- Valve Springs --\u003e\n\u003ctr style=\"border-bottom: 1px solid #e4e4e7;\"\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\u003cstrong\u003eValve Springs \u0026amp; Retainers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eNew\/Upgraded\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eNew\/Upgraded\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\n\u003cstrong\u003eUpgraded Heavy-Duty (HD) Springs\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- Lifter Fix --\u003e\n\u003ctr style=\"border-bottom: 1px solid #e4e4e7; background-color: rgba(0, 0, 0, 0.01);\"\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\u003cstrong\u003eLifter Longevity Fix\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- Airflow \u0026 Sealing --\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003e\u003cstrong\u003eAirflow \u0026amp; Component Upgrades\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px; border-right: 1px solid #e4e4e7;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 16px;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Step 2: Fitment --\u003e\n\u003ch2 class=\"cep-section-title\"\u003e\u003c\/h2\u003e\n\u003ch2 class=\"cep-section-title\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp class=\"cep-section-subtitle\"\u003eThis cylinder head set fits the following engine applications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"cep-section-subtitle\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e2006–2007 GM 6.6L LBZ Duramax Turbo Diesel\u003c\/b\u003e — Fits Chevrolet Silverado 2500HD\/3500 \u0026amp; GMC Sierra 2500HD\/3500 platforms.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Choate Advantage --\u003e\n\u003ch2 class=\"cep-section-title\"\u003e\u003c\/h2\u003e\n\u003ch2 class=\"cep-section-title\"\u003eThe Choate Advantage (Standard on All Sets)\u003c\/h2\u003e\n\u003cp class=\"cep-section-subtitle\"\u003eEvery pair of Choate LBZ Duramax cylinder heads undergoes an aggressive remanufacturing and blueprinting process designed to solve original factory design flaws:\u003c\/p\u003e\n\u003cul class=\"cep-advantage-list\"\u003e\n\u003cli\u003e\n\u003cb\u003eHydraulic Lifter Longevity Fix:\u003c\/b\u003e We alter the valvetrain blueprint and valve stem heights to completely remove excess preload on the hydraulic lifters, drastically reducing wear and extending lifter life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBrand-New Internal Components:\u003c\/b\u003e Every set is built using brand-new, high-quality intake and exhaust valves, valve springs, durable retainers and locks, valve stem seals, valve seats, valve guides, and pre-installed new injector cups for a proper, reliable fuel seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Airflow (3-Angle Seats):\u003c\/b\u003e Valve seats are cut with a precision three-angle profile to optimize airflow through the ports and guarantee an airtight seal against reground valves with inspected margins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThreaded Blow-Proof Plugs:\u003c\/b\u003e Factory press-fit plugs are replaced with threaded, blow-proof plugs in the top of the head for leak-free peace of mind under extreme pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStress-Relieved OEM Cores:\u003c\/b\u003e Every core is Magnetic Particle Inspected (MPI) for micro-cracks, baked in a furnace to relieve material stress, and shot-blasted before precision machining begins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimal Deck Finish:\u003c\/b\u003e Resurfaced to strict Roughness Average (Ra) standards to guarantee maximum gasket sealing capabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e100% Pressure \u0026amp; Profilometer Tested:\u003c\/b\u003e Every head is pressure tested at 40 PSI and receives a documented final QC sign-off sheet measuring stem heights, valve recessions, spring pressures, and Ra finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- What's Included Box --\u003e\n\u003cdiv class=\"cep-included-box\"\u003e\n\u003ch3\u003eWhat’s Included in the Box:\u003c\/h3\u003e\n\u003cul class=\"cep-included-list\"\u003e\n\u003cli\u003e\n\u003cb\u003e(2)\u003c\/b\u003e Choate Remanufactured 6.6L LBZ Duramax Cylinder Heads (Complete Pair)\u003c\/li\u003e\n\u003cli\u003ePre-installed brand-new intake \u0026amp; exhaust valves\u003c\/li\u003e\n\u003cli\u003ePre-installed new valve springs, retainers, and keepers \u003ci\u003e(HD valve springs on Workhorse Plus)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003ePre-installed new injector cups, valve stem seals, seats, and guides\u003c\/li\u003e\n\u003cli\u003ePre-installed O-rings \u003ci\u003e(Workhorse \u0026amp; Workhorse Plus models only)\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003eFinal Quality Control Inspection Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Choate Performance","offers":[{"title":"Daily Driver","offer_id":67455548129584,"sku":"CEPLBZDHR-SET","price":2520.0,"currency_code":"USD","in_stock":true},{"title":"Workhorse","offer_id":67455548162352,"sku":"CEPLBZWHR-SET","price":3118.0,"currency_code":"USD","in_stock":true},{"title":"Workhorse Plus","offer_id":67455548195120,"sku":"CEPLBZWPHR-SET","price":3918.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/LBZDailyDriverCylinderHeadSet_1.png?v=1785879605","url":"https:\/\/choateperformance.com\/products\/chevy-lbz-duramax-cylinder-head-set","provider":"choateperformance","version":"1.0","type":"link"}