{"id":664,"date":"2015-12-09T23:09:32","date_gmt":"2015-12-09T22:09:32","guid":{"rendered":"http:\/\/mespiecesauto.com\/?post_type=product&#038;p=664"},"modified":"2026-06-23T14:09:47","modified_gmt":"2026-06-23T13:09:47","slug":"bielle-forgee-r21-turbo-j7r","status":"publish","type":"product","link":"https:\/\/www.mespiecesauto.com\/en\/product\/r21-turbo-forged-conrod-j7r\/","title":{"rendered":"R21 Turbo forged conrod J7R"},"content":{"rendered":"<p>La bielle forg\u00e9e R21 Turbo est le passage oblig\u00e9 dans le cadre de toute bonne pr\u00e9paration mais aussi pour une r\u00e9fection moteur d&rsquo;origine.<br \/>\nUne bielle m\u00eame si on y pense rarement, \u00e7a s&rsquo;use. L&rsquo;al\u00e9sage de t\u00eate perd en pr\u00e9cision, c&rsquo;est notamment lui qui tient le coussinet en place et nos les ergots.<br \/>\nDes microsoudures peuvent appara\u00eetre (t\u00e2che noire), la cons\u00e9quence c&rsquo;est un coussinet qui transf\u00e8re moins bien sa chaleur, un jeu r\u00e9duit et de futurs risques de grippages.<\/p>\n<p>Pour une pr\u00e9paration moteur, la bielle forg\u00e9e fera suite au montage d&rsquo;un jeu de chemise fonte GS700 \u00e9galement obligatoire pour toute pr\u00e9paration s\u00e9rieuse d&rsquo;une R21 Turbo.<br \/>\nVous pouvez<a href=\"https:\/\/www.mespiecesauto.com\/en\/chemise-fonte-gs-acier\/\"> consultez notre article \u00e0 ce sujet<\/a> qui vous d\u00e9taille les raisons de leurs utilisations<\/p>\n<p>Pour le remontage de votre moteur vous pouvez \u00e9galement prendre connaissance du<a href=\"https:\/\/www.mespiecesauto.com\/wp-content\/uploads\/2018\/08\/R21-Turbo-Manuel-Moteur-J.pdf\"> manuel de r\u00e9paration R21 Turbo\u00a0<\/a><\/p>","protected":false},"excerpt":{"rendered":"<div class=\"product-desc\">\n<h2>Bielle forg\u00e9e R21 Turbo J7R<\/h2>\n<p>Jeu de <strong>4 bielles forg\u00e9es<\/strong> haute r\u00e9sistance pour moteur <strong>Renault 21 Turbo J7R<\/strong>.<br \/>\nCon\u00e7ues pour remplacer avantageusement les bielles d\u2019origine avec un gain de masse et une meilleure tenue m\u00e9canique.<\/p>\n<h3>Compatibilit\u00e9<\/h3>\n<ul>\n<li>Moteurs : <strong>J7R752<\/strong> \u2013 <strong>J7R756<\/strong><\/li>\n<li>R\u00e9f\u00e9rence d\u2019origine \u00e9quivalente : <strong>7701464777<\/strong><\/li>\n<\/ul>\n<h3>Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<td>Centre distance<\/td>\n<td><strong>137 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Diam\u00e8tre t\u00eate (maneton)<\/td>\n<td><strong>56 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Diam\u00e8tre pied (axe piston)<\/td>\n<td><strong>24 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Masse unitaire<\/td>\n<td><strong>516 g<\/strong> (contre ~659 g d\u2019origine)<\/td>\n<\/tr>\n<tr>\n<td>\u00c9quilibrage<\/td>\n<td><strong>Au gramme<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Contenu &amp; prix<\/h3>\n<ul>\n<li><strong>Set of 4 conrod<\/strong><\/li>\n<li><strong>Prix pour 4 bielles<\/strong>, <em>Shipping: 12 euros for Europe Shipment<\/em><\/li>\n<\/ul>\n<h3>Infos montage<\/h3>\n<p>Livr\u00e9 <strong>sans visserie<\/strong>. Voir notre explication d\u00e9taill\u00e9e :<a href=\"https:\/\/www.mespiecesauto.com\/en\/bielle-origine-ou-bielle-forgee-comment-les-choisir-a-quoi-faire-attention\/\" target=\"_blank\" rel=\"noopener\"> technical reportage<\/a>.<\/p>\n<\/div>","protected":false},"featured_media":19682,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[28],"product_tag":[223,224,225],"class_list":{"0":"post-664","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-renault-21-turbo-et-quadra","7":"product_tag-bielle-forgee-r21-turbo","8":"product_tag-bielle-renault-21-turbo","9":"product_tag-j7r752","10":"pa_modeles-renault-21-turbo","12":"first","13":"outofstock","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/product\/664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/media\/19682"}],"wp:attachment":[{"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/media?parent=664"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/product_brand?post=664"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/product_cat?post=664"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.mespiecesauto.com\/en\/wp-json\/wp\/v2\/product_tag?post=664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}