{"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\u003eHigh Energy, Extreme Racing Valve Springs designed for BMW B58 \/ S58 3.0L inline 6 Engine. High performance, progressively wound PACALOY beehive valve spring with titanium retainers. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis kit utilises a precision machined spring seat to max out the seat pressure for high boost, high horsepower builds. Specifically designed for Kelford Cams Stage 2 \u0026amp; Stage 3 Camshafts for engines making over 1000HP. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e105lb seat pressure at 35mm installed height. 210lb at 10.8mm valve lift. Spring coil bind height at 23.6mm.\u003c\/span\u003e\u003c\/p\u003e","brand":"JDY Performance","offers":[{"title":"Default Title","offer_id":49876986233074,"sku":null,"price":1050.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/4825\/5986\/files\/dc88f7e2-b9ec-4255-a609-f046f25ef03e.png?v=1785791587","url":"https:\/\/mlab-boostandtune.com\/products\/kelford-cams-extreme-racing-valve-springs-bmw-b58-s58-3-0l","provider":"M Lab by Boost \u0026 Tune","version":"1.0","type":"link"}