{"title":"M57 SWAP VALVE SPRINGS","description":null,"products":[{"product_id":"hd-m57n-m57n2-valve-springs","title":"HD M57N \u0026 M57N2 VALVE SPRINGS","description":"\u003cp\u003eLooking to upgrade your M57 valve springs?\u003c\/p\u003e\n\u003cp\u003eWe have managed to source these OEM quality uprated valve springs out of Europe\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSTAGE 1 SPRINGS:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from \u003cstrong\u003eOteva 70 SC PLUS\u003c\/strong\u003e (Same as Genuine BMW)\u003c\/li\u003e\n\u003cli\u003eModulus of Shear 78500N\/mm2\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eMax recommended EMP 5.35bar \u003cstrong\u003e(77PSI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eMax recommended Boost 4.75bar \u003cstrong\u003e(68PSI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(128, 255, 0);\"\u003e\u003cspan style=\"color: rgb(128, 255, 0);\"\u003e+48% increase in spring rate over OEM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"color: rgb(128, 255, 0);\"\u003e\u003cspan style=\"color: rgb(255, 255, 0);\"\u003eSTAGE 2 springs avail on request - even stronger than our stage 1's! \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e","brand":"KINGPIN Fab","offers":[{"title":"Default Title","offer_id":44036251025580,"sku":"","price":550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0267\/8997\/0092\/files\/HDM57VALVESPRINGSAUSTRALIA1.jpg?v=1735598665"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0267\/8997\/0092\/collections\/HDM57VALVESPRINGSAUSTRALIA1.jpg?v=1790295300","url":"https:\/\/kingpindesignandfab.com.au\/collections\/m57-swap-valve-springs.oembed","provider":"KINGPIN Fab","version":"1.0","type":"link"}