{"product_id":"zonfant-5-3l-cylinder-head-gasket-set-with-es72220-bolts-kit-mls-gaskets-30-bolts-for-gm-2004-2014","title":"ZONFANT 5.3L Cylinder Head Gasket Set with ES72220 Bolts Kit — MLS Gaskets \u0026 30 Bolts for GM 2004–2014","description":"\u003cstrong\u003eComplete cylinder-head gasket overhaul kit for 5.3L engines, supplying MLS head gaskets, 30 ES72220 head bolts and every common sealing component required for a full teardown and rebuild.\u003c\/strong\u003e\n\n\u003cp\u003eThis ZONFANT kit consolidates head gaskets, manifold gaskets, valve cover seals, timing-cover and oil-pan gaskets, valve stem seals, O-rings and small seals plus 30 ES72220 head bolts into one box so you can replace every critical seal in a 5.3L V8 in one service session. The multi-layered steel (MLS) head gaskets and OEM-spec fasteners are produced to tolerate combustion pressures and temperature cycling typical of GM-based 5.3L engines used across Chevrolet, GMC, Buick, Cadillac, Hummer, Isuzu and Saab platforms.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is tailored for GM 5.3L V8 and many related 4.3L\/4.8L\/5.3L applications across truck and SUV lines from 2004–2014. Check your model-year and engine code against the compatibility list before ordering to ensure fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevy: Avalanche, Colorado, Express, Silverado 1500, Suburban, Tahoe, Trailblazer, SSR (select years)\u003c\/li\u003e\n  \u003cli\u003eGMC: Canyon, Envoy series, Savana, Sierra 1500, Yukon and Yukon XL (select years)\u003c\/li\u003e\n  \u003cli\u003eAlso fits: Buick Rainier, Cadillac Escalade (select years), Hummer H3\/H3T, Isuzu Ascender, Saab 9-7x\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and why are they important?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies the full complement of gaskets and seals used when removing heads and performing a complete engine top-end service, so you won’t need to source additional pieces mid-job. Each component addresses a specific sealing surface to prevent coolant, oil and combustion gas leaks when reassembling the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMLS head gaskets — durable multi-layer construction for head-to-block sealing\u003c\/li\u003e\n  \u003cli\u003e30 ES72220 head bolts — new torque-to-yield bolts for proper clamp force\u003c\/li\u003e\n  \u003cli\u003eIntake\/exhaust manifold gaskets, valve cover gaskets, timing cover, oil pan gaskets\u003c\/li\u003e\n  \u003cli\u003eValve stem seals, O-rings and assorted small gaskets — complete ancillary sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit help during a rebuild or head service?\u003c\/h3\u003e\n\u003cp\u003eBy combining all required gaskets and hardware in one package, the kit reduces downtime and the risk of missing a critical seal at reassembly. It also ensures you use fresh, matched components that meet OEM-style specifications for thickness, material and fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-stop purchase eliminates multiple orders and shipping delays\u003c\/li\u003e\n  \u003cli\u003eConsistent material quality across gaskets helps achieve reliable sealing\u003c\/li\u003e\n  \u003cli\u003eNew head bolts included to restore correct clamping\/torque sequence\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and support?\u003c\/h3\u003e\n\u003cp\u003eStandard engine disassembly and head-surface inspection are required before install; surfaces must be clean and flat. ZONFANT provides a 1-year support window for product issues and the kit ships new and test-checked, but follow factory torque and assembly procedures or consult a professional mechanic.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow factory torque specs and sequence for ES72220 bolts (use torque\/angle where specified)\u003c\/li\u003e\n  \u003cli\u003eInspect and machine head\/block faces if warped or damaged\u003c\/li\u003e\n  \u003cli\u003eReplace any additional worn components discovered during teardown\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Professional technicians, DIY mechanics performing a head gasket repair or full top-end rebuild on GM 5.3L (and compatible 4.3L\/4.8L) engines who prefer a single, comprehensive kit that includes MLS head gaskets and the required ES72220 head bolts. If you need every sealing component for a complete service without scavenging multiple sources, this kit is built for that workflow.\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 kit include head bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes 30 ES72220 head bolts required for reassembling 5.3L cylinder heads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 2007 Silverado 1500 5.3L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit lists compatibility with 2004–2013 Silverado 1500 models, including 2007 with 5.3L engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZONFANT","offers":[{"title":"Default Title","offer_id":48081585373342,"sku":"B0CX12N497","price":132.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/zonfant-front-box-contents.jpg?v=1785808582","url":"https:\/\/northtrailauto.ca\/products\/zonfant-5-3l-cylinder-head-gasket-set-with-es72220-bolts-kit-mls-gaskets-30-bolts-for-gm-2004-2014","provider":"North Trail Auto","version":"1.0","type":"link"}