{"id":15423,"date":"2025-06-09T10:10:13","date_gmt":"2025-06-09T08:10:13","guid":{"rendered":"https:\/\/iodperformance.com\/?post_type=product&#038;p=15423"},"modified":"2026-02-26T08:12:27","modified_gmt":"2026-02-26T07:12:27","slug":"ls3-430hp-long-block","status":"publish","type":"product","link":"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/","title":{"rendered":"LS3 430HP Long Block"},"content":{"rendered":"<h2>TECH SPECS<\/h2>\n<ul>\n<li><strong>Part Number:<\/strong> 19420382 \/ 19432422 \/ 19434644 \/ 19435106<\/li>\n<li><strong>Engine Type:<\/strong> LS-Series Gen IV Small-Block V-8<\/li>\n<li><strong>Displacement:<\/strong> 376 cu in (6.2L)<\/li>\n<li><strong>Bore \u00d7 Stroke:<\/strong> 4.065 \u00d7 3.622 in (103.25 \u00d7 92mm)<\/li>\n<li><strong>Block:<\/strong> Cast-aluminum with 6-bolt, cross-bolted main caps<\/li>\n<li><strong>Crankshaft:<\/strong> Nodular iron (P\/N 12597569)<\/li>\n<li><strong>Connecting Rods:<\/strong> Powdered metal (P\/N 12649190)<\/li>\n<li><strong>Pistons:<\/strong> Hypereutectic aluminum (P\/N 19207287)<\/li>\n<li><strong>Camshaft Type:<\/strong> Hydraulic roller (P\/N 12623063)<\/li>\n<li><strong>Valve Lift:<\/strong> .551 in intake \/ .522 in exhaust<\/li>\n<li><strong>Camshaft Duration @ 0.050 in:<\/strong> 204\u00b0 intake \/ 211\u00b0 exhaust<\/li>\n<li><strong>Cylinder Heads:<\/strong> Aluminum L92-style port; as cast with 68cc chambers (P\/N 12629063)<\/li>\n<li><strong>Valve Size:<\/strong> 2.165 in intake \/ 1.590 in exhaust<\/li>\n<li><strong>Compression Ratio:<\/strong> 10.7:1<\/li>\n<li><strong>Rocker Arms (intake):<\/strong> Investment-cast, roller trunnion (P\/N 12669995)<\/li>\n<li><strong>Rocker Arms (exhaust):<\/strong> Investment-cast, roller trunnion (P\/N 12669993)<\/li>\n<li><strong>Rocker Arm Ratio:<\/strong> 1.7:1<\/li>\n<li><strong>Recommended Fuel:<\/strong> Premium pump<\/li>\n<li><strong>Maximum Recommended RPM:<\/strong> 6,600<\/li>\n<li><strong>Reluctor Wheel:<\/strong> 58x<\/li>\n<li><strong>Balanced:<\/strong> Internal<\/li>\n<\/ul>\n<h2>INSTALLATION NOTES<\/h2>\n<ul>\n<li>Assembly does not include any electronics, intake manifold, fuel system, ignition.<\/li>\n<li>Includes Chevy F-Body wet sump oil pan<\/li>\n<li>Intended for pre-1976 street vehicles or any off-road vehicle<\/li>\n<li>Not intended for marine applications<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Dipstick, Dipstick Tube, and Steam vent pipe do not come with Long Block engines and can be purchased below if using the included oil pan. LS long-blocks from Chevrolet Performance offer the core capabilities of complete crate engines at a lower cost, allowing builders to finish the assembly their way. The LS3 long block is delivered without the intake manifold, coil packs, water pump, exhaust manifolds or other accessories.<\/p>\n","protected":false},"featured_media":15412,"template":"","meta":[],"product_brand":[],"product_cat":[324],"product_tag":[],"class_list":{"0":"post-15423","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-engines","7":"pa_marka-samochodu-gm-motors","8":"pa_model-samochodu-ls-en","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LS3 430HP Long Block<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LS3 430HP Long Block\" \/>\n<meta property=\"og:description\" content=\"Dipstick, Dipstick Tube, and Steam vent pipe do not come with Long Block engines and can be purchased below if using the included oil pan. 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The LS3 long block is delivered without the intake manifold, coil packs, water pump, exhaust manifolds or other accessories.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/\" \/>\n<meta property=\"og:site_name\" content=\"IOD Performance\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/IODshopPL\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-26T07:12:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/06\/f154592617__82513.1731445189.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"1226\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/\",\"url\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/\",\"name\":\"LS3 430HP Long Block\",\"isPartOf\":{\"@id\":\"https:\/\/iodperformance.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/06\/f154592617__82513.1731445189.jpg\",\"datePublished\":\"2025-06-09T08:10:13+00:00\",\"dateModified\":\"2026-02-26T07:12:27+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/#primaryimage\",\"url\":\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/06\/f154592617__82513.1731445189.jpg\",\"contentUrl\":\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/06\/f154592617__82513.1731445189.jpg\",\"width\":1280,\"height\":1226},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Strona g\u0142\u00f3wna\",\"item\":\"https:\/\/iodperformance.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/iodperformance.com\/en\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"LS3 430HP Long Block\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/iodperformance.com\/#website\",\"url\":\"https:\/\/iodperformance.com\/\",\"name\":\"IOD Performance\",\"description\":\"Producent cz\u0119\u015bci i akcesori\u00f3w samochodowych\",\"publisher\":{\"@id\":\"https:\/\/iodperformance.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/iodperformance.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/iodperformance.com\/#organization\",\"name\":\"IOD Performance\",\"url\":\"https:\/\/iodperformance.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/iodperformance.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/02\/logo_V2.png\",\"contentUrl\":\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/02\/logo_V2.png\",\"width\":2560,\"height\":1076,\"caption\":\"IOD Performance\"},\"image\":{\"@id\":\"https:\/\/iodperformance.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/IODshopPL\/\",\"https:\/\/www.instagram.com\/iodperformance\/\",\"https:\/\/www.youtube.com\/@iodperformance\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"LS3 430HP Long Block","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:\/\/iodperformance.com\/en\/produkt\/ls3-430hp-long-block\/","og_locale":"en_US","og_type":"article","og_title":"LS3 430HP Long Block","og_description":"Dipstick, Dipstick Tube, and Steam vent pipe do not come with Long Block engines and can be purchased below if using the included oil pan. 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