{"id":58857,"date":"2025-06-09T10:41:37","date_gmt":"2025-06-09T08:41:37","guid":{"rendered":"https:\/\/iodperformance.com\/?post_type=product&#038;p=58857"},"modified":"2026-10-10T15:49:54","modified_gmt":"2026-10-10T13:49:54","slug":"bloc-moteur-lsx454","status":"publish","type":"product","link":"https:\/\/iodperformance.com\/fr\/produkt\/bloc-moteur-lsx454\/","title":{"rendered":"Bloc moteur LSX454"},"content":{"rendered":"<p>Le moteur LSX454 est dot\u00e9 d&rsquo;un ensemble rotatif forg\u00e9 ultra-r\u00e9sistant et de deux culasses LSX \u00e0 six boulons \u00e0 haut d\u00e9bit. Il est \u00e9galement \u00e9quip\u00e9 de superbes cache-culbuteurs orange \u00e0 rev\u00eatement en poudre, orn\u00e9s du logo \u00ab\u00a0LSX454\u00a0\u00bb grav\u00e9.<\/p>\n<p>Chevrolet Performance livre le moteur sans collecteur d&rsquo;admission ni autres accessoires. Utilisez le collecteur d&rsquo;admission monoplan pour carburateur LSX-LS7 (r\u00e9f. 19244033). Les cache-culbuteurs du LSX454 ne sont pas pr\u00e9vus pour le montage des supports de bobine d&rsquo;allumage. Des supports de d\u00e9portation, adaptables ou sur mesure, sont n\u00e9cessaires. Il comprend \u00e9galement une bride de vilebrequin \u00e0 8 boulons qui peut n\u00e9cessiter un adaptateur pour certaines transmissions.<\/p>\n<h2>CARACT\u00c9RISTIQUES TECHNIQUES<\/h2>\n<ul>\n<li><strong>R\u00e9f\u00e9rence\u00a0:<\/strong> 19332316<\/li>\n<li><strong>Type de moteur\u00a0:<\/strong> V8 LSX Gen IV Small-Block<\/li>\n<li><strong>Cylindr\u00e9e\u00a0:<\/strong> 7,4\u00a0L (454\u00a0po\u00b3)<\/li>\n<li><strong>Al\u00e9sage \u00d7 Course\u00a0:<\/strong> 106,3 \u00d7 104,8\u00a0mm (4,185 \u00d7 4,125\u00a0po)<\/li>\n<li><strong>Bloc (r\u00e9f. 19417353)\u00a0:<\/strong> LSX en fonte avec chapeaux de palier principaux \u00e0 6 boulons transversaux<\/li>\n<li><strong>Vilebrequin (r\u00e9f. 19244018)\u00a0:<\/strong> Acier forg\u00e9 4340 avec bride \u00e0 8 boulons<\/li>\n<li><strong>Bielles (R\u00e9f. 19166964)\u00a0:<\/strong> Acier forg\u00e9 4340<\/li>\n<li><strong>Pistons (R\u00e9f. 19166958)\u00a0:<\/strong> Aluminium forg\u00e9<\/li>\n<li><strong>Type d&rsquo;arbre \u00e0 cames (R\u00e9f. 19166972)\u00a0:<\/strong> Rouleau hydraulique<\/li>\n<li><strong>Lev\u00e9e de soupape\u00a0:<\/strong> Admission 0,648 po \/ \u00c9chappement 0,648 po<\/li>\n<li><strong>Dur\u00e9e d&rsquo;ouverture des soupapes \u00e0 0,050 po\u00a0:<\/strong> Admission 236\u00b0 \/ \u00c9chappement 246\u00b0<\/li>\n<li><strong>Culasses (R\u00e9f. 19419193)\u00a0:<\/strong> Aluminium, ports LSX-LS7 avec chambres de combustion de 70 cm\u00b3 \u00ab brutes de fonderie \u00bb<\/li>\n<li><strong>Dimensions des soupapes\u00a0:<\/strong> Admission en titane de 55,9 mm \/ \u00c9chappement creux rempli de sodium de 40,9 mm<\/li>\n<li><strong>Taux de compression\u00a0:<\/strong> 11,0:1<\/li>\n<li><strong>Culbuteurs (r\u00e9f. 12579615 admission)\u00a0:<\/strong> Moul\u00e9s \u00e0 cire perdue, \u00e0 tourillon lamin\u00e9<\/li>\n<li><strong>Culbuteurs (r\u00e9f. 12579617 \u00e9chappement)\u00a0:<\/strong> Moul\u00e9s \u00e0 cire perdue, \u00e0 tourillon lamin\u00e9<\/li>\n<li><strong>Rapport de culbuteurs\u00a0:<\/strong> 1,8:1<\/li>\n<li><strong>Carburant recommand\u00e9\u00a0:<\/strong> Super sans plomb<\/li>\n<li><strong>R\u00e9gime moteur maximal recommand\u00e9\u00a0:<\/strong> 6\u00a0500 tr\/min<\/li>\n<li><strong>Roue de reluctor\u00a0:<\/strong> 58x<\/li>\n<li><strong>\u00c9quilibr\u00e9 :<\/strong> Interne<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Avec le bloc LSX Bowtie, nous avons con\u00e7u un 454 du 21e si\u00e8cle dot\u00e9 des technologies les plus r\u00e9centes. Plus l\u00e9ger et plus compact qu&rsquo;un Big-Block 454 d&rsquo;origine, il offre la m\u00eame puissance (627 ch) et un couple (586 lb-pi), tout en occupant le m\u00eame espace sous le capot qu&rsquo;un moteur LS de s\u00e9rie.<\/p>\n","protected":false},"featured_media":15414,"template":"","meta":{"_members_access_role":[],"_members_access_error":""},"product_brand":[],"product_cat":[806],"product_tag":[],"class_list":["post-58857","product","type-product","status-publish","has-post-thumbnail","product_cat-moteurs","pa_marka-samochodu-gm-motors-fr","pa_model-samochodu-ls-fr","first","instock","taxable","shipping-taxable","purchasable","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 v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bloc moteur LSX454<\/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\/fr\/produkt\/bloc-moteur-lsx454\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bloc moteur LSX454\" \/>\n<meta property=\"og:description\" content=\"Avec le bloc LSX Bowtie, nous avons con\u00e7u un 454 du 21e si\u00e8cle dot\u00e9 des technologies les plus r\u00e9centes. Plus l\u00e9ger et plus compact qu&#039;un Big-Block 454 d&#039;origine, il offre la m\u00eame puissance (627 ch) et un couple (586 lb-pi), tout en occupant le m\u00eame espace sous le capot qu&#039;un moteur LS de s\u00e9rie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/iodperformance.com\/fr\/produkt\/bloc-moteur-lsx454\/\" \/>\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=\"2026-10-10T13:49:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/iodperformance.com\/wp-content\/uploads\/2025\/06\/19260833_b_2010.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"664\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" 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