{"product_id":"kelford-cams-extreme-racing-valve-springs-bmw-b58-s58-3-0l","title":"Kelford Cams Extreme Racing Valve Springs BMW B58 \/ S58 3.0L","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEngineered for high‑boost, high‑horsepower builds.\u003c\/strong\u003e JDY’s Extreme Racing Valve Spring Kit is purpose‑built for BMW B58 and S58 3.0L inline‑6 engines. Featuring progressively wound PACALOY beehive valve springs with titanium retainers, this kit delivers the strength, precision, and reliability demanded by extreme racing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e🔧 Key Features\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHigh‑Energy PACALOY Beehive Springs\u003c\/strong\u003e Progressively wound for superior durability and stability under extreme boost and RPM.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTitanium Retainers\u003c\/strong\u003e Lightweight yet strong, reducing valve train mass for improved performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePrecision Machined Spring Seat\u003c\/strong\u003e Maximizes seat pressure for high‑boost builds, ensuring consistent valve control.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDesigned for Kelford Stage 2 \u0026amp; Stage 3 Cams\u003c\/strong\u003e Optimized for engines producing \u003cstrong\u003e1000+ HP\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePerformance Specs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e105 lb seat pressure @ 35mm installed height\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e210 lb @ 10.8mm valve lift\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCoil bind height: 23.6mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003ePush your BMW B58\/S58 engine beyond factory limits with JDY’s Extreme Racing Valve Spring Kit — built for maximum boost, horsepower, and reliability.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JDY","offers":[{"title":"Default Title","offer_id":54989873414486,"sku":null,"price":7107.07,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/0486\/9462\/files\/extreme-valve-springs-for-BMW-B58-and-S58-Engine-2_720x_42c310f0-48fc-4bfc-ba87-b8f596c03592.webp?v=1786793894","url":"https:\/\/www.ttmengineering.se\/products\/kelford-cams-extreme-racing-valve-springs-bmw-b58-s58-3-0l","provider":"ttmengineering.se","version":"1.0","type":"link"}