{"product_id":"kelford-cams-extreme-racing-valve-springs-bmw-b58-s58-3-0l-2","title":"Kelford Cams Extreme Racing Valve Springs BMW G87 B58 \/ S58 3.0L","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHigh Energy Extreme Racing Valve Springs, designed for the BMW B58 \/ S58 3.0L Inline-6 engine. Featuring high-performance, progressively wound PACALOY beehive valve springs with titanium retainers.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis kit utilises a precision-machined spring seat to maximise seat pressure for high-boost, high-horsepower builds. Specifically designed for Kelford Cams Stage 2 \u0026amp; Stage 3 camshafts, for engines making over 1,000HP.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e105lb seat pressure at 35mm installed height\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e210lb at 10.8mm valve lift\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSpring coil bind height at 23.6mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is intended for performance use and should be installed by a qualified professional.\u003c\/p\u003e\n\u003cp\u003eIt is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.\u003c\/p\u003e\n\u003cp\u003eGridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.\u003c\/p\u003e\n\u003cp\u003eDue to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.\u003c\/p\u003e","brand":"JDY Performance","offers":[{"title":"Default Title","offer_id":45778308006086,"sku":"KVS58-BTX","price":1050.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/4627\/7830\/files\/extreme-valve-springs-for-BMW-B58-and-S58-Engine-2_400x_webp.avif?v=1777258689","url":"https:\/\/www.gridlinecustommotorsports.com.au\/products\/kelford-cams-extreme-racing-valve-springs-bmw-b58-s58-3-0l-2","provider":"Gridline Custom Motorsports","version":"1.0","type":"link"}