{"id":226822,"date":"2025-10-03T15:21:27","date_gmt":"2025-10-03T22:21:27","guid":{"rendered":"https:\/\/powerdriveengines.com\/?post_type=product&#038;p=226822"},"modified":"2025-10-10T17:21:07","modified_gmt":"2025-10-11T00:21:07","slug":"427-ls-short-block","status":"publish","type":"product","link":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/","title":{"rendered":"427&#8243; LS Short Block"},"content":{"rendered":"<p data-start=\"369\" data-end=\"437\">Maximum Displacement. Race-Proven Strength. LS Power \u2014 Elevated.<\/p>\n<p data-start=\"439\" data-end=\"894\">When serious horsepower is the goal, the <strong data-start=\"480\" data-end=\"503\">427&#8243; LS Short Block<\/strong> is the foundation you need. Precision-built for <strong data-start=\"552\" data-end=\"572\">high performance<\/strong>, this engine combines <strong data-start=\"595\" data-end=\"617\">large cubic inches<\/strong> with <strong data-start=\"623\" data-end=\"651\">premium forged internals<\/strong>, giving builders the flexibility to create <strong data-start=\"695\" data-end=\"739\">extreme street, strip, or boosted setups<\/strong>. Whether you\u2019re building a naturally aspirated monster or a forced induction powerhouse, this short block provides <strong data-start=\"855\" data-end=\"893\">unmatched strength and reliability<\/strong>.<\/p>\n<hr data-start=\"896\" data-end=\"899\" \/>\n<h2 data-start=\"901\" data-end=\"929\"><strong data-start=\"907\" data-end=\"927\">Product Details:<\/strong><\/h2>\n<ul data-start=\"930\" data-end=\"1469\">\n<li data-start=\"930\" data-end=\"974\">\n<p data-start=\"932\" data-end=\"974\"><strong data-start=\"932\" data-end=\"948\">Engine Type:<\/strong> GM LS-Based Short Block<\/p>\n<\/li>\n<li data-start=\"975\" data-end=\"1013\">\n<p data-start=\"977\" data-end=\"1013\"><strong data-start=\"977\" data-end=\"994\">Displacement:<\/strong> 427 Cubic Inches<\/p>\n<\/li>\n<li data-start=\"1014\" data-end=\"1095\">\n<p data-start=\"1016\" data-end=\"1095\"><strong data-start=\"1016\" data-end=\"1041\">Horsepower Potential:<\/strong> 600+ HP (Naturally Aspirated) \/ 1,000+ HP (Boosted)<\/p>\n<\/li>\n<li data-start=\"1096\" data-end=\"1157\">\n<p data-start=\"1098\" data-end=\"1157\"><strong data-start=\"1098\" data-end=\"1117\">Block Material:<\/strong> Aluminum or Iron (Depending on Build)<\/p>\n<\/li>\n<li data-start=\"1158\" data-end=\"1255\">\n<p data-start=\"1160\" data-end=\"1255\"><strong data-start=\"1160\" data-end=\"1178\">Configuration:<\/strong> Short Block (Block, Crankshaft, Connecting Rods, Pistons, Rings, Bearings)<\/p>\n<\/li>\n<li data-start=\"1256\" data-end=\"1288\">\n<p data-start=\"1258\" data-end=\"1288\"><strong data-start=\"1258\" data-end=\"1273\">Crankshaft:<\/strong> Forged Steel<\/p>\n<\/li>\n<li data-start=\"1289\" data-end=\"1327\">\n<p data-start=\"1291\" data-end=\"1327\"><strong data-start=\"1291\" data-end=\"1311\">Connecting Rods:<\/strong> H-Beam Forged<\/p>\n<\/li>\n<li data-start=\"1328\" data-end=\"1380\">\n<p data-start=\"1330\" data-end=\"1380\"><strong data-start=\"1330\" data-end=\"1342\">Pistons:<\/strong> Forged Aluminum Performance Pistons<\/p>\n<\/li>\n<li data-start=\"1381\" data-end=\"1423\">\n<p data-start=\"1383\" data-end=\"1423\"><strong data-start=\"1383\" data-end=\"1397\">Condition:<\/strong> New \/ Performance Built<\/p>\n<\/li>\n<li data-start=\"1424\" data-end=\"1469\">\n<p data-start=\"1426\" data-end=\"1469\"><strong data-start=\"1426\" data-end=\"1439\">Shipping:<\/strong> Free Nationwide U.S. Shipping<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1476\" data-end=\"1500\"><strong data-start=\"1481\" data-end=\"1498\">Key Features:<\/strong><\/h2>\n<ul data-start=\"1501\" data-end=\"2105\">\n<li data-start=\"1501\" data-end=\"1601\">\n<p data-start=\"1503\" data-end=\"1601\">\u2705 <strong data-start=\"1505\" data-end=\"1544\">Massive 427 Cubic Inch Displacement<\/strong> \u2013 Provides exceptional torque and horsepower potential<\/p>\n<\/li>\n<li data-start=\"1602\" data-end=\"1700\">\n<p data-start=\"1604\" data-end=\"1700\">\u2705 <strong data-start=\"1606\" data-end=\"1634\">Premium Forged Internals<\/strong> \u2013 Built to handle high-RPM, high-boost, or nitrous applications<\/p>\n<\/li>\n<li data-start=\"1701\" data-end=\"1797\">\n<p data-start=\"1703\" data-end=\"1797\">\u2705 <strong data-start=\"1705\" data-end=\"1730\">Race-Ready Foundation<\/strong> \u2013 Ideal for custom top-end builds and extreme performance setups<\/p>\n<\/li>\n<li data-start=\"1798\" data-end=\"1892\">\n<p data-start=\"1800\" data-end=\"1892\">\u2705 <strong data-start=\"1802\" data-end=\"1833\">Precision-Balanced Assembly<\/strong> \u2013 Engineered for smooth operation and maximum durability<\/p>\n<\/li>\n<li data-start=\"1893\" data-end=\"1988\">\n<p data-start=\"1895\" data-end=\"1988\">\u2705 <strong data-start=\"1897\" data-end=\"1922\">Customizable Platform<\/strong> \u2013 Perfect for NA, turbocharged, supercharged, or nitrous builds<\/p>\n<\/li>\n<li data-start=\"1989\" data-end=\"2105\">\n<p data-start=\"1991\" data-end=\"2105\">\u2705 <strong data-start=\"1993\" data-end=\"2054\">Perfect Starting Point for LS3, LS7, or Aftermarket Heads<\/strong> \u2013 Compatible with most LS-based top-end components<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2112\" data-end=\"2138\"><strong data-start=\"2118\" data-end=\"2136\">Compatibility:<\/strong><\/h2>\n<p data-start=\"2139\" data-end=\"2243\">The <strong data-start=\"2143\" data-end=\"2166\">427&#8243; LS Short Block<\/strong> is designed to fit a wide range of LS performance applications, including:<\/p>\n<ul data-start=\"2244\" data-end=\"2580\">\n<li data-start=\"2244\" data-end=\"2319\">\n<p data-start=\"2246\" data-end=\"2319\">Classic Chevrolet muscle cars (Camaro, Chevelle, Nova, GTO, C10 trucks)<\/p>\n<\/li>\n<li data-start=\"2320\" data-end=\"2403\">\n<p data-start=\"2322\" data-end=\"2403\">Modern GM platforms (C6 Corvette, 5th Gen Camaro, Silverado performance builds)<\/p>\n<\/li>\n<li data-start=\"2404\" data-end=\"2476\">\n<p data-start=\"2406\" data-end=\"2476\">LS swap projects for street, strip, or off-road performance vehicles<\/p>\n<\/li>\n<li data-start=\"2477\" data-end=\"2580\">\n<p data-start=\"2479\" data-end=\"2580\">Compatible with most LS3 \/ LS7 cylinder heads, intake manifolds, ECU systems, and GM LS transmissions<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2582\" data-end=\"2585\" \/>\n<h2 data-start=\"2587\" data-end=\"2621\">\ud83d\udee1\ufe0f <strong data-start=\"2594\" data-end=\"2619\">Warranty Information:<\/strong><\/h2>\n<p data-start=\"2622\" data-end=\"2701\">Every 427&#8243; LS Short Block comes with a <strong data-start=\"2661\" data-end=\"2688\">1-Year Limited Warranty<\/strong>, covering:<\/p>\n<ul data-start=\"2702\" data-end=\"2797\">\n<li data-start=\"2702\" data-end=\"2727\">\n<p data-start=\"2704\" data-end=\"2727\">Manufacturing defects<\/p>\n<\/li>\n<li data-start=\"2728\" data-end=\"2750\">\n<p data-start=\"2730\" data-end=\"2750\">Workmanship issues<\/p>\n<\/li>\n<li data-start=\"2751\" data-end=\"2797\">\n<p data-start=\"2753\" data-end=\"2797\">Internal component failures under normal use<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2799\" data-end=\"2965\"><strong data-start=\"2799\" data-end=\"2823\">Warranty Exclusions:<\/strong> Damage from improper installation, tuning errors, racing abuse, or neglect is not covered. Full warranty terms are provided with each engine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;<\/p>\n<ul data-start=\"930\" data-end=\"1469\">\n<li data-start=\"930\" data-end=\"974\">\n<p data-start=\"932\" data-end=\"974\"><strong data-start=\"932\" data-end=\"948\">Engine Type:<\/strong> GM LS-Based Short Block<\/p>\n<\/li>\n<li data-start=\"975\" data-end=\"1013\">\n<p data-start=\"977\" data-end=\"1013\"><strong data-start=\"977\" data-end=\"994\">Displacement:<\/strong> 427 Cubic Inches<\/p>\n<\/li>\n<li data-start=\"1014\" data-end=\"1095\">\n<p data-start=\"1016\" data-end=\"1095\"><strong data-start=\"1016\" data-end=\"1041\">Horsepower Potential:<\/strong> 600+ HP (Naturally Aspirated) \/ 1,000+ HP (Boosted)<\/p>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":226824,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[181],"product_tag":[],"class_list":{"0":"post-226822","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-new-ls-chevy-engines","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>427 LS Short Block for Sale | High-Performance LS Stroker Engine<\/title>\n<meta name=\"description\" content=\"Shop the 427 LS Short Block at PowerDrive Engines. Precision-built LS stroker short block delivering race-grade power, torque, and reliability\u2014ready for your custom build.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"427 LS Short Block for Sale | High-Performance LS Stroker Engine\" \/>\n<meta property=\"og:description\" content=\"Shop the 427 LS Short Block at PowerDrive Engines. Precision-built LS stroker short block delivering race-grade power, torque, and reliability\u2014ready for your custom build.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/\" \/>\n<meta property=\"og:site_name\" content=\"Power Drive Engines\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-11T00:21:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/\",\"url\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/\",\"name\":\"427 LS Short Block for Sale | High-Performance LS Stroker Engine\",\"isPartOf\":{\"@id\":\"https:\/\/powerdriveengines.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp\",\"datePublished\":\"2025-10-03T22:21:27+00:00\",\"dateModified\":\"2025-10-11T00:21:07+00:00\",\"description\":\"Shop the 427 LS Short Block at PowerDrive Engines. Precision-built LS stroker short block delivering race-grade power, torque, and reliability\u2014ready for your custom build.\",\"breadcrumb\":{\"@id\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#primaryimage\",\"url\":\"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp\",\"contentUrl\":\"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp\",\"width\":600,\"height\":600,\"caption\":\"427 ls short block\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/powerdriveengines.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"shop\",\"item\":\"https:\/\/powerdriveengines.com\/index.php\/shop-2\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"427&#8243; LS Short Block\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/powerdriveengines.com\/#website\",\"url\":\"https:\/\/powerdriveengines.com\/\",\"name\":\"Power Drive Engines\",\"description\":\"America\u2019s Trusted Source for High-Performance Engines &amp; Parts\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/powerdriveengines.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"427 LS Short Block for Sale | High-Performance LS Stroker Engine","description":"Shop the 427 LS Short Block at PowerDrive Engines. Precision-built LS stroker short block delivering race-grade power, torque, and reliability\u2014ready for your custom build.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/","og_locale":"en_US","og_type":"article","og_title":"427 LS Short Block for Sale | High-Performance LS Stroker Engine","og_description":"Shop the 427 LS Short Block at PowerDrive Engines. Precision-built LS stroker short block delivering race-grade power, torque, and reliability\u2014ready for your custom build.","og_url":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/","og_site_name":"Power Drive Engines","article_modified_time":"2025-10-11T00:21:07+00:00","og_image":[{"width":600,"height":600,"url":"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/","url":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/","name":"427 LS Short Block for Sale | High-Performance LS Stroker Engine","isPartOf":{"@id":"https:\/\/powerdriveengines.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#primaryimage"},"image":{"@id":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#primaryimage"},"thumbnailUrl":"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp","datePublished":"2025-10-03T22:21:27+00:00","dateModified":"2025-10-11T00:21:07+00:00","description":"Shop the 427 LS Short Block at PowerDrive Engines. Precision-built LS stroker short block delivering race-grade power, torque, and reliability\u2014ready for your custom build.","breadcrumb":{"@id":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#primaryimage","url":"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp","contentUrl":"https:\/\/powerdriveengines.com\/wp-content\/uploads\/2025\/10\/427_LS_SB_Sealed_Up_grande.webp","width":600,"height":600,"caption":"427 ls short block"},{"@type":"BreadcrumbList","@id":"https:\/\/powerdriveengines.com\/index.php\/product\/427-ls-short-block\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/powerdriveengines.com\/"},{"@type":"ListItem","position":2,"name":"shop","item":"https:\/\/powerdriveengines.com\/index.php\/shop-2\/"},{"@type":"ListItem","position":3,"name":"427&#8243; LS Short Block"}]},{"@type":"WebSite","@id":"https:\/\/powerdriveengines.com\/#website","url":"https:\/\/powerdriveengines.com\/","name":"Power Drive Engines","description":"America\u2019s Trusted Source for High-Performance Engines &amp; Parts","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/powerdriveengines.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/product\/226822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/comments?post=226822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/media\/226824"}],"wp:attachment":[{"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/media?parent=226822"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=226822"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=226822"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/powerdriveengines.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=226822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}