{"product_id":"zonfant-cylinder-multi-layer-head-gasket-for-ls1-ls6-v8-4-8l-5-7l-mls-oem-fit","title":"ZONFANT Cylinder Multi-Layer Head Gasket for LS1\/LS6 V8 4.8L-5.7L — MLS, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eZONFANT Cylinder Multi Layer Head Gasket is a direct-fit, multilayer replacement gasket engineered for GM LS-series V8 engines (4.8L, 5.3L, 5.7L) used across many Chevy, GMC, Cadillac, Pontiac, Buick and Hummer models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis head gasket kit includes two high-strength, multi-layer steel gaskets built to match original manufacturer dimensions and sealing features for LS1\/LS6 family engines. It replaces part #26192PT and cross-references other OEM numbers so you can restore cylinder sealing, compression integrity, and coolant\/oil separation after head work, rebuilds, or repairs. Before ordering, verify fitment against year, make, and engine displacement listed below.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this gasket fit?\u003c\/h3\u003e\n\u003cp\u003eThis gasket is designed for GM LS-series V8 engines found in many late-1990s through 2019 vehicles. It supports 4.8L, 5.3L and 5.7L LS1\/LS6-family engines used across Chevrolet, GMC, Cadillac, Buick, Pontiac and Hummer lineups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Avalanche, Camaro, Colorado, Corvette, Express, Impala, Monte Carlo, Silverado, Suburban, Tahoe, Trailblazer (various years listed).\u003c\/li\u003e\n  \u003cli\u003eGMC: Canyon, Envoy, Savana, Sierra, Yukon (various years listed).\u003c\/li\u003e\n  \u003cli\u003eCadillac\/Buick\/Pontiac\/Hummer: CTS, Escalade, Allure, LaCrosse, Rainier, Firebird, Grand Prix, GTO, H3\/H3T models.\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM references including #26192PT and common cross numbers—confirm against your vehicle VIN and service manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction does the gasket use?\u003c\/h3\u003e\n\u003cp\u003eThe gasket is a multi-layer steel (MLS) design with durable coatings engineered to handle thermal cycling and maintain consistent clamp load under repeated use. The MLS construction offers concentric sealing rings for combustion and layered cores for structural stability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-layer steel plates for strength and flatness retention.\u003c\/li\u003e\n  \u003cli\u003eCoated sealing surfaces to resist corrosion and improve conformity.\u003c\/li\u003e\n  \u003cli\u003eDesigned to match OEM bore spacing and fire-ring dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install this gasket and what should I check during fitment?\u003c\/h3\u003e\n\u003cp\u003eInstall MLS head gaskets on clean, flat surfaces with manufacturer torque sequences and specs. Inspect cylinder heads and block decks for warpage, clean all sealing surfaces, replace head bolts if required by your service manual, and follow proper torque steps to ensure a leak-free seal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse specified torque sequence and incremental torquing values from the vehicle manufacturer.\u003c\/li\u003e\n  \u003cli\u003eMeasure head and block flatness; resurface if out of specification.\u003c\/li\u003e\n  \u003cli\u003eReplace stretch bolts\/fasteners when required and use new gaskets for reassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance or durability can I expect compared with OEM gaskets?\u003c\/h3\u003e\n\u003cp\u003eThis ZONFANT MLS gasket aims to meet original fit, form and function for everyday driving and moderate performance use. It is manufactured to tolerate heat, pressure, and common contaminants encountered in engine operation when correctly installed and maintained.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion-resistant coatings for extended service life.\u003c\/li\u003e\n  \u003cli\u003eHeat- and wear-resistant construction to handle thermal cycles.\u003c\/li\u003e\n  \u003cli\u003eDesigned to preserve combustion sealing and prevent coolant\/oil cross-contamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Mechanics, restoration specialists, and DIY enthusiasts working on GM LS-series V8 engines who need an OEM-compatible, durable replacement head gasket. Ideal when performing cylinder head removal, engine overhauls, or repairing a failed head gasket in compatible Chevy, GMC, Cadillac, Buick, Pontiac or Hummer vehicles. Verify compatibility with your vehicle year, engine displacement and part numbers 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: Does this gasket fit a 5.3L Silverado?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—it's compatible with many 5.3L Silverado models; confirm year and VIN against the fitment list before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are new head bolts required when installing this gasket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow your vehicle's service manual; many GM engines recommend replacing stretch bolts during head gasket service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZONFANT","offers":[{"title":"Default Title","offer_id":67587562963129,"sku":"B0C7B96LNJ","price":100.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/zonfant-head-gasket-front.jpg?v=1790512900","url":"https:\/\/redleafauto.ca\/products\/zonfant-cylinder-multi-layer-head-gasket-for-ls1-ls6-v8-4-8l-5-7l-mls-oem-fit","provider":"Redleaf Auto","version":"1.0","type":"link"}