{"id":13124,"date":"2025-07-29T09:33:33","date_gmt":"2025-07-29T09:33:33","guid":{"rendered":"https:\/\/kelfordcams.com\/dealers\/?post_type=product&#038;p=13124"},"modified":"2026-06-18T14:05:18","modified_gmt":"2026-06-18T14:05:18","slug":"4g-in-car-valve-spring-tool","status":"publish","type":"product","link":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool","title":{"rendered":"4G In Car Valve Spring Tool"},"content":{"rendered":"<p class=\"p1\">Designed specifically for Mitsubishi 4G63 twin-cam engines, the HRB 4G In-Car Valve Spring Tool allows you to replace valve springs without removing the cylinder head\u2014saving serious time during builds or servicing. Whether you\u2019re upgrading to stiffer springs for a performance setup or replacing worn components in a street engine, this tool makes the process safer, faster, and more precise.<\/p>\n<p class=\"p1\">Developed in a professional engine-building environment, this tool is engineered to fit the tight confines of the 4G63 EVO 1-9 head while providing smooth, controlled spring compression with maximum visibility and access.<\/p>\n<h2 class=\"p3\"><b>Key Features:<\/b><\/h2>\n<ul>\n<li class=\"p4\"><strong>Billet 6061 aluminium body<\/strong> for lightweight strength<\/li>\n<li class=\"p4\"><strong>Billet stainless steel retainer cup <\/strong>with large cutaway for improved keeper access<\/li>\n<li class=\"p4\"><strong>Bronze bush<\/strong> for ultra-smooth compression<\/li>\n<li class=\"p4\"><strong>\u00bc-inch drive<\/strong> threaded rod \u2013 compatible with hand tools or drill drivers<\/li>\n<li class=\"p4\"><strong>Captive design<\/strong> \u2013 tool stays together during use<\/li>\n<li class=\"p4\"><strong>Anodised<\/strong> for corrosion resistance and long life<\/li>\n<li class=\"p4\"><strong>Supplied with bolts<\/strong> for direct fitment on 4G heads<\/li>\n<\/ul>\n<h2 class=\"p3\"><b>Why Choose the HRB 4G In-Car Valve Spring Tool?<\/b><\/h2>\n<p class=\"p1\">Traditional valve spring work on 4G engines often means pulling the head. This tool eliminates that step, allowing fast, in-place spring changes while maintaining engine assembly. Trusted by professional engine builders and DIYers alike, it\u2019s a game-changer for anyone working with Mitsubishi EVO 1\u20139 4G63 platforms.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"ai-optimize-15\">The HRB 4G In-Car Valve Spring Tool allows you to replace valve springs without removing the cylinder head\u2014saving serious time during builds or servicing.<\/p>\n","protected":false},"featured_media":13146,"template":"","meta":{"content-type":""},"product_cat":[996,1001],"product_tag":[1011,1012],"class_list":["post-13124","product","type-product","status-publish","has-post-thumbnail","product_brand-hughes-race-built-automotive-tools","product_cat-automotive-tools","product_cat-mitsubishi-4g-tools","product_tag-4g","product_tag-mitsubishi","first","onbackorder","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4G In Car Valve Spring Tool - Kelford Cams<\/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:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool\",\"name\":\"4G In Car Valve Spring Tool - Kelford Cams\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/IMG_1335-scaled-1.jpg\",\"datePublished\":\"2025-07-29T09:33:33+00:00\",\"dateModified\":\"2026-06-18T14:05:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool#primaryimage\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/IMG_1335-scaled-1.jpg\",\"contentUrl\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/IMG_1335-scaled-1.jpg\",\"width\":2560,\"height\":1920},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/4g-in-car-valve-spring-tool#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/shop\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"4G In Car Valve Spring Tool\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#website\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/\",\"name\":\"Kelford Cams\",\"description\":\"Dealers\",\"publisher\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#organization\",\"name\":\"Kelford Cams - Dealer Portal\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/login.png\",\"contentUrl\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/login.png\",\"width\":350,\"height\":59,\"caption\":\"Kelford Cams - Dealer Portal\"},\"image\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"4G In Car Valve Spring Tool - Kelford Cams","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:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool","url":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool","name":"4G In Car Valve Spring Tool - Kelford Cams","isPartOf":{"@id":"https:\/\/kelfordcams.com\/dealers\/#website"},"primaryImageOfPage":{"@id":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool#primaryimage"},"image":{"@id":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool#primaryimage"},"thumbnailUrl":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2025\/07\/IMG_1335-scaled-1.jpg","datePublished":"2025-07-29T09:33:33+00:00","dateModified":"2026-06-18T14:05:18+00:00","breadcrumb":{"@id":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool#primaryimage","url":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2025\/07\/IMG_1335-scaled-1.jpg","contentUrl":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2025\/07\/IMG_1335-scaled-1.jpg","width":2560,"height":1920},{"@type":"BreadcrumbList","@id":"https:\/\/kelfordcams.com\/dealers\/product\/4g-in-car-valve-spring-tool#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kelfordcams.com\/dealers\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/kelfordcams.com\/dealers\/shop"},{"@type":"ListItem","position":3,"name":"4G In Car Valve Spring Tool"}]},{"@type":"WebSite","@id":"https:\/\/kelfordcams.com\/dealers\/#website","url":"https:\/\/kelfordcams.com\/dealers\/","name":"Kelford Cams","description":"Dealers","publisher":{"@id":"https:\/\/kelfordcams.com\/dealers\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kelfordcams.com\/dealers\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/kelfordcams.com\/dealers\/#organization","name":"Kelford Cams - Dealer Portal","url":"https:\/\/kelfordcams.com\/dealers\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/kelfordcams.com\/dealers\/#\/schema\/logo\/image\/","url":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2024\/04\/login.png","contentUrl":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2024\/04\/login.png","width":350,"height":59,"caption":"Kelford Cams - Dealer Portal"},"image":{"@id":"https:\/\/kelfordcams.com\/dealers\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product\/13124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product\/13124\/revisions"}],"predecessor-version":[{"id":13224,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product\/13124\/revisions\/13224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/media\/13146"}],"wp:attachment":[{"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/media?parent=13124"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product_cat?post=13124"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product_tag?post=13124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}