{"id":7328,"date":"2024-03-17T21:25:57","date_gmt":"2024-03-17T21:25:57","guid":{"rendered":"https:\/\/trade.kelfordcams.com\/product\/270-268-stage-1-b58-gen-1\/"},"modified":"2026-04-14T21:50:47","modified_gmt":"2026-04-14T21:50:47","slug":"257-a","status":"publish","type":"product","link":"https:\/\/kelfordcams.com\/dealers\/product\/257-a","title":{"rendered":"257-A | B58 Gen 1"},"content":{"rendered":"<p>BMW Gen1 B58 Stage 1 Performance Camshaft \u2013 270\u00b0\/268\u00b0 cams to suit BMW\u2019s Gen 1 B58 engine with bolt on intake, exhaust and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo. Still maintains full use of Valvetronic and Dual VANOS for good throttle response and wide power band. Must have valve spring upgrade. Kelford Cams recommend valve spring KVS57-BT.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>270\u00b0\/268\u00b0 | 10.30mm\/10.15mm<\/p>\n","protected":false},"featured_media":7797,"template":"","meta":{"content-type":""},"product_cat":[282,210],"product_tag":[445],"class_list":["post-7328","product","type-product","status-publish","has-post-thumbnail","product_brand-bmw-brand","product_cat-b58-gen-1","product_cat-bmw","product_tag-bmw-b58-gen1","first","instock","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>257-A | B58 Gen 1 - 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\/257-a\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/257-a\",\"url\":\"https:\\\/\\\/kelfordcams.com\\\/dealers\\\/product\\\/257-a\",\"name\":\"257-A | B58 Gen 1 - 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