{"product_id":"bmw-b58-s58-racing-valve-springs-kelfordcams","title":"KVS58-BTX | B58 \/ S58 Extreme","description":"\u003cdiv\u003e\n\u003cp\u003eFor high boost, high horsepower builds. Engines making over 1000HP. Specifically designed for Kelford Stage 2 \u0026amp; Stage 3\u003c\/p\u003e\n\u003cp\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\/p\u003e \u003cp\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\/p\u003e \u003cul\u003e \u003cli\u003e105lb seat pressure at 35mm installed height.\u003c\/li\u003e \u003cli\u003e210lb at 10.8mm valve lift.\u003c\/li\u003e \u003cli\u003eSpring coil bind height at 23.6mm.\u003c\/li\u003e \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Kelford Cams","offers":[{"title":"Default Title","offer_id":47259767406730,"sku":"KC.KVS58-BTX","price":1335.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/BMW-B58-Extreme-Racing-Valve-Spring-Set-587x367.webp?v=1762328684","url":"https:\/\/qjipdu-tf.myshopify.com\/products\/bmw-b58-s58-racing-valve-springs-kelfordcams","provider":"SBX Performance","version":"1.0","type":"link"}