{"product_id":"mwbj-ls3-mls-head-gaskets-pair-for-6-0l-6-2l-ls-engines-100mm-bore-0-051-in-compressed","title":"MWBJ LS3 MLS Head Gaskets Pair for 6.0L\/6.2L LS Engines — 100mm Bore, 0.051 in Compressed","description":"\u003cp\u003e\u003cstrong\u003eMWBJ Racing for BTR LS3 Multi-Layer MLS head gaskets (pair) are direct-fit, three-layer steel replacement gaskets engineered for 6.0L and 6.2L GM LS-series engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese MLS (multi-layer steel) head gaskets are made to match OEM form and durability for LS3, LQ4, LQ9, L96, L76, LY6, L92, and L99 platforms with a 100 mm bore and a compressed thickness of 0.051 inches. They serve as a cost-effective upgrade or replacement for factory three-layer gaskets, compatible with a wide range of GM, Chevrolet, GMC, Cadillac, Hummer, Pontiac, and Saab models. Before ordering, verify your engine code and OEM part number; the product references include 12571224, 12610046, 12697918, 12622033 and related cross-references.\u003c\/p\u003e\n\n\u003ch3\u003eWill these gaskets fit my 6.0L or 6.2L LS engine?\u003c\/h3\u003e\n\u003cp\u003eThey are designed for LS-series engines with a 100 mm bore and are compatible with many 6.0L\/6.2L variants, but fitment depends on exact engine code and year. Always cross-check the OEM part numbers or consult your VIN\/engine label to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible engine codes: LS3, LQ4, LQ9, L96, L76, LY6, L92, L99\u003c\/li\u003e\n  \u003cli\u003eReference part numbers: 12571224, 12610046, 12697918, 12622033\u003c\/li\u003e\n  \u003cli\u003eBore size: 100 mm; compressed thickness: 0.051\"\u003c\/li\u003e\n  \u003cli\u003eSuggested vehicles: Corvette, Silverado, Suburban, Escalade, Yukon, Hummer H2, Saab 9-7X, Pontiac GTO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these MLS gaskets compare to the factory units?\u003c\/h3\u003e\n\u003cp\u003eThese gaskets replicate the OEM three-layer steel construction and thickness, offering similar sealing performance and longevity. They’re intended as a direct replacement or economical upgrade without altering compression height or bore seal characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-layer MLS construction for uniform sealing\u003c\/li\u003e\n  \u003cli\u003eMatches OEM compressed thickness (0.051\") for correct deck height\u003c\/li\u003e\n  \u003cli\u003eEngineered for stock or mildly modified heads and blocks\u003c\/li\u003e\n  \u003cli\u003eManufactured to OEM-style tolerances for bolt patterns and ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and service tips should I follow?\u003c\/h3\u003e\n\u003cp\u003eProper installation is crucial for long-term sealing: ensure flat, clean mating surfaces, follow the specified torque sequence, and replace head bolts if required by the vehicle manufacturer. Use the OEM torque specs and a calibrated torque wrench to avoid distortion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect block and head deck for warpage or damage before fitting\u003c\/li\u003e\n  \u003cli\u003eClean gasket surfaces thoroughly; remove old sealant or debris\u003c\/li\u003e\n  \u003cli\u003eUse the OEM torque sequence and re-torque\/angle if specified\u003c\/li\u003e\n  \u003cli\u003eReplace head bolts\/studs when recommended by the service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these gaskets suitable for performance or boosted applications?\u003c\/h3\u003e\n\u003cp\u003eThey are a robust OEM-style MLS design that handles stock and many mild performance builds, but extreme boost or high-power racing engines may require thicker or specialized gaskets. For high cylinder pressures, consult an engine builder to select the appropriate gasket material and thickness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGood for stock and moderately tuned engines\u003c\/li\u003e\n  \u003cli\u003eNot intended as a dedicated extreme-racing gasket without expert evaluation\u003c\/li\u003e\n  \u003cli\u003eConsider higher-spec MLS or copper gaskets for heavy forced induction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These MWBJ Racing for BTR LS3 MLS head gaskets are aimed at owners and mechanics replacing worn or leaking head gaskets on GM 6.0L\/6.2L LS-series engines, enthusiasts performing cylinder head service, and DIYers seeking an OEM-equivalent, cost-effective MLS option. They suit restorations, routine engine rebuilds, and mild performance upgrades where stock geometry and OEM compatibility are required. If you’re unsure about fitment, provide your engine code or OEM part number to confirm before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which engine codes do these MWBJ MLS gaskets fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit LS3, LQ4, LQ9, L96, L76, LY6, L92 and L99 engines with a 100 mm bore. Verify with your OEM part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these gaskets suitable for boosted engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They work for stock and mild builds; consult an engine builder for high-boost or extreme power setups that may need specialized gaskets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MWBJ","offers":[{"title":"Default Title","offer_id":67585078427833,"sku":"B0DCG5B44T","price":175.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/mwbj-ls3-head-gaskets-front-packaging.jpg?v=1790466313","url":"https:\/\/redleafauto.ca\/products\/mwbj-ls3-mls-head-gaskets-pair-for-6-0l-6-2l-ls-engines-100mm-bore-0-051-in-compressed","provider":"Redleaf Auto","version":"1.0","type":"link"}