{"product_id":"fel-pro-cylinder-head-bolt-set-for-gm-isuzu-v6-es-72220-oem-fit-torque-yield-hardware","title":"Fel-Pro cylinder head bolt set for GM \u0026 Isuzu V6 — ES 72220, OEM-fit torque-yield hardware","description":"\u003cstrong\u003eFel-Pro ES 72220 is a complete cylinder head bolt set engineered to restore correct clamping force and sealing integrity on specified GM and Isuzu V6 engines.\u003c\/strong\u003e\n\nFel-Pro designs vehicle-specific sealing and hardware solutions to match or surpass original equipment standards. This bolt set is manufactured and specified to the same tolerances used by automakers, so it works with factory cylinder heads and gaskets to re-establish proper torque characteristics after disassembly. Choosing the correct head bolts helps prevent head gasket leaks, loss of compression, and uneven clamp loads when reassembling the top end of your engine.\n\n\u003ch3\u003eWhat vehicles and engines does this bolt set fit?\u003c\/h3\u003e\n\u003cp\u003eThis specific Fel-Pro ES 72220 package is matched to a range of GM and Isuzu models from the mid-2000s that used compatible V6 cylinder heads. Compatibility depends on the exact year, model, engine and trim—always confirm fitment for your VIN or build details before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits select 2004–2006 Isuzu Ascender and 2004–2007 Buick Rainier models\u003c\/li\u003e\n  \u003cli\u003eIncludes fitment for 2008–2009 Buick LaCrosse\/Allure variants where applicable\u003c\/li\u003e\n  \u003cli\u003eCovers certain Cadillac Escalade ESV and similar GM platforms from 2004–2008\u003c\/li\u003e\n  \u003cli\u003eUse vehicle selector tools or service records to verify exact compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing cylinder head bolts help my repair?\u003c\/h3\u003e\n\u003cp\u003eCylinder head bolts stretch and torque differently after being installed and heat cycled; replacing them restores predictable clamping forces necessary for a reliable head gasket seal. New bolts reduce the risk of post-repair leaks and help maintain engine compression and cooling system integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides fresh, calibrated fasteners with correct torque-yield characteristics\u003c\/li\u003e\n  \u003cli\u003eReduces chance of fastener failure from reuse-induced stretch\u003c\/li\u003e\n  \u003cli\u003eSupports an even clamp load to protect head gaskets and mating surfaces\u003c\/li\u003e\n  \u003cli\u003eRecommended anytime heads are removed for service or overhaul\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality and specifications should I expect from Fel-Pro hardware?\u003c\/h3\u003e\n\u003cp\u003eFel-Pro supplies engine sealing and related hardware designed to meet or exceed original equipment specifications. This set is produced from materials and heat treatments selected to match factory strength and durability expectations for the intended applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to OEM-equivalent dimensional and strength standards\u003c\/li\u003e\n  \u003cli\u003eEngineered for application-specific fit and consistent torque behavior\u003c\/li\u003e\n  \u003cli\u003eWorks together with Fel-Pro gaskets and OEM parts for best results\u003c\/li\u003e\n  \u003cli\u003ePackaged to include the complete set needed for the specified head(s)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I confirm fit and install these bolts correctly?\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing, verify compatibility using the vehicle fitment tool or by checking engine, year, model and trim. During installation, follow the vehicle manufacturer's torque and angle specifications; many modern head bolts require a specific sequence and an angle-tightening step.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck the \"confirmed fit\" or vehicle selector for your exact build\u003c\/li\u003e\n  \u003cli\u003eFollow factory torque sequence and any specified angle-tightening steps\u003c\/li\u003e\n  \u003cli\u003eReplace bolts as a full set; do not mix new and reused fasteners\u003c\/li\u003e\n  \u003cli\u003eWhen in doubt, consult a repair manual or professional technician\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nThis Fel-Pro ES 72220 head bolt set is intended for professional mechanics, restoration shops and knowledgeable DIYers performing engine head service on compatible GM and Isuzu models. It’s aimed at anyone rebuilding cylinder heads, replacing head gaskets or performing top-end repairs where factory-equivalent clamping performance and long-term reliability matter. If you need reliable, application-specific fasteners to match Fel-Pro gasket systems and restore correct torque behavior, this kit is an appropriate replacement option.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reuse my original cylinder head bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—head bolts are typically torque-to-yield and should be replaced to ensure correct clamping and avoid failure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this set include bolts for both cylinder heads?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this kit provides the complete bolt set required for the specified engine head(s) in compatible vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fel-Pro","offers":[{"title":"Default Title","offer_id":48086803218590,"sku":"B000Q0R4V2","price":57.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/fel-pro-es-72220-front-packaging.jpg?v=1785905728","url":"https:\/\/northtrailauto.ca\/products\/fel-pro-cylinder-head-bolt-set-for-gm-isuzu-v6-es-72220-oem-fit-torque-yield-hardware","provider":"North Trail Auto","version":"1.0","type":"link"}