{"product_id":"holley-gm-licensed-valve-cover-muscle-series-sbc-center-bolt","title":"HOLLEY GM LICENSED VALVE COVER - MUSCLE SERIES - SBC - CENTER BOLT","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eHolley GM Muscle Series Valve Covers – Small Block Chevy ZZ6 \/ Vortec – Center Bolt – Emissions Provision – Cast Aluminum\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eUpgrade your Small Block Chevy with Holley GM Muscle Series Valve Covers, designed for ZZ6, ZZ4, ZZ5, and Vortec center bolt cylinder heads. Featuring a clean, modern design with raised Chevrolet and Bowtie logos, these valve covers offer a refined alternative to traditional OEM-style covers.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eConstructed from high-quality die-cast aluminum, these SBC valve covers provide excellent durability, detailed finish quality, and reduced risk of warping or oil leaks. The increased internal height offers enhanced valvetrain clearance, making them suitable for both stock and performance applications.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eDesigned with emissions provisions, these valve covers include pre-installed internal baffling, along with oil fill and PCV grommets for proper crankcase ventilation—making them ideal for street-driven vehicles.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003ePerfect for restorations, street builds, and performance applications, these valve covers deliver modern styling with OEM-inspired fitment.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Small Block Chevy engines with center bolt heads (Vortec, ZZ4, ZZ5, ZZ6)\u003c\/li\u003e\n\u003cli\u003eGM licensed design with raised Chevrolet and Bowtie logos\u003c\/li\u003e\n\u003cli\u003eClean, modern “Muscle Series” styling\u003c\/li\u003e\n\u003cli\u003eEmissions-compliant design with oil fill and PCV provisions\u003c\/li\u003e\n\u003cli\u003eIncreased internal height for improved valvetrain clearance\u003c\/li\u003e\n\u003cli\u003eDurable die-cast aluminum construction\u003c\/li\u003e\n\u003cli\u003eInternally baffled for proper crankcase ventilation\u003c\/li\u003e\n\u003cli\u003eDesigned to reduce warping and prevent oil leaks\u003c\/li\u003e\n\u003cli\u003eIncludes polished mounting hardware\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on installation\u003c\/li\u003e\n\u003cli\u003eValve cover gaskets not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eAvailable Finishes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNatural Cast Aluminum (machined logo – paint-ready)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSatin Black (machined logo)\u003c\/li\u003e\n\u003cli\u003eFactory Orange (machined logo)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eWhy Choose Holley GM Muscle Series Valve Covers?\u003c\/b\u003e\u003cbr\u003eHolley’s Muscle Series valve covers are ideal for enthusiasts who want a modern, clean engine bay without going over the top. Designed specifically for Vortec and ZZ-series Small Block Chevy engines, they offer improved clearance, proper ventilation, and bold Chevrolet branding—all in a simple bolt-on package.\u003c\/p\u003e\n\u003cp class=\"p6\"\u003ePerfect for street performance builds, restomods, and daily-driven classics, these valve covers deliver the style and reliability your SBC deserves.\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Black","offer_id":51363885777202,"sku":"241-292","price":449.95,"currency_code":"USD","in_stock":true},{"title":"Natural Aluminum","offer_id":51363885809970,"sku":"241-290","price":399.95,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":51363885842738,"sku":"241-293","price":437.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/3453\/3938\/files\/2c14540058d8d3aa2548c52fbb5e56e7f76bb3bb_jpg.webp?v=1782309552","url":"https:\/\/www.westbenddyno.com\/products\/holley-gm-licensed-valve-cover-muscle-series-sbc-center-bolt","provider":"West Bend Dyno","version":"1.0","type":"link"}