{"id":15179,"date":"2026-10-06T00:31:37","date_gmt":"2026-10-06T00:31:37","guid":{"rendered":"https:\/\/kelfordcams.com\/dealers\/?post_type=product&#038;p=15179"},"modified":"2026-10-12T21:04:03","modified_gmt":"2026-10-12T21:04:03","slug":"tb48de-beehive-valve-springs-kvs223-bt","status":"publish","type":"product","link":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt","title":{"rendered":"TB48DE Beehive Valve Springs | KVS223-BT"},"content":{"rendered":"<p>Beehive Valve Spring and Titanium Retainer kit for Nissan TB48DE engines. Designed for high boost and high RPM racing engines. Made from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels. Heat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM.<\/p>\n<p>100lb seat pressure at 36.8mm installed height. 250lbs at 13.8mm valve lift. Coil bind at 22.0mm. 14.0mm max lift.<\/p>\n<p>Kit includes:<\/p>\n<ul>\n<li>24 Beehive valve springs<\/li>\n<li>24 Titanium retainers<\/li>\n<li>24 4140 Steel spring seats<\/li>\n<\/ul>\n<p>Note: to achieve 14mm valve lift, please check retainer to seal clearance, and sink the guide and spring register into the cylinder head accordingly. This will need +0.5mm of extra clearance, but please check as there may be some variation between cylinder heads. Spring seat locates on OEM spring pocket inner diameter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Beehive Valve Spring and Titanium Retainer kit for Nissan TB48DE engines. Designed for high boost and high RPM racing engines. Made from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels. Heat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM.<\/p>\n","protected":false},"featured_media":15180,"template":"","meta":{"content-type":""},"product_cat":[174,246],"product_tag":[],"class_list":["post-15179","product","type-product","status-publish","has-post-thumbnail","product_cat-nissan","product_cat-tb48de","first","instock","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TB48DE Beehive Valve Springs | KVS223-BT - 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\/tb48de-beehive-valve-springs-kvs223-bt\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt\",\"name\":\"TB48DE Beehive Valve Springs | KVS223-BT - Kelford Cams\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/KVS223-BT-5-small.jpg\",\"datePublished\":\"2026-10-06T00:31:37+00:00\",\"dateModified\":\"2026-10-12T21:04:03+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt#primaryimage\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/KVS223-BT-5-small.jpg\",\"contentUrl\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/KVS223-BT-5-small.jpg\",\"width\":1080,\"height\":1080,\"caption\":\"KVS223-BT Valve Springs TB48DE\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/tb48de-beehive-valve-springs-kvs223-bt#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\":\"TB48DE Beehive Valve Springs | KVS223-BT\"}]},{\"@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":"TB48DE Beehive Valve Springs | KVS223-BT - 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\/tb48de-beehive-valve-springs-kvs223-bt","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt","url":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt","name":"TB48DE Beehive Valve Springs | KVS223-BT - Kelford Cams","isPartOf":{"@id":"https:\/\/kelfordcams.com\/dealers\/#website"},"primaryImageOfPage":{"@id":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt#primaryimage"},"image":{"@id":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt#primaryimage"},"thumbnailUrl":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2026\/10\/KVS223-BT-5-small.jpg","datePublished":"2026-10-06T00:31:37+00:00","dateModified":"2026-10-12T21:04:03+00:00","breadcrumb":{"@id":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt#primaryimage","url":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2026\/10\/KVS223-BT-5-small.jpg","contentUrl":"https:\/\/kelfordcams.com\/dealers\/wp-content\/uploads\/2026\/10\/KVS223-BT-5-small.jpg","width":1080,"height":1080,"caption":"KVS223-BT Valve Springs TB48DE"},{"@type":"BreadcrumbList","@id":"https:\/\/kelfordcams.com\/dealers\/product\/tb48de-beehive-valve-springs-kvs223-bt#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":"TB48DE Beehive Valve Springs | KVS223-BT"}]},{"@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\/15179","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\/15179\/revisions"}],"predecessor-version":[{"id":15183,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product\/15179\/revisions\/15183"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/media\/15180"}],"wp:attachment":[{"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/media?parent=15179"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product_cat?post=15179"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kelfordcams.com\/dealers\/wp-json\/wp\/v2\/product_tag?post=15179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}