{"product_id":"s-s-640-cam-for-evo-big-twin-mcs-503601","title":"S\u0026S, 640 cam for Evo Big Twin","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 84-99 Evo Big Twin (NU)\u003c\/p\u003e\u003cp\u003e.640\" valve lift. Big inch engines with 10.5\/11.5:1 CR. Smaller engines with 11:1 to 12:1 CR. With lower TDC lifts, faster ramps and shorter duration it builds higher cyl. pressure and requires less CR and offers a more linear power delivery as the 631. Supplied with the S\u0026amp;S 124\" SSW+ engines. 3000-6000 RPM.\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":59225822036342,"sku":"MCS-503601","price":304.21,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/503562k_04906af3-1906-4261-81d6-a33a3e588ced.jpg?v=1793621966","url":"https:\/\/www.blue-bull.nl\/products\/s-s-640-cam-for-evo-big-twin-mcs-503601","provider":"Blue Bull","version":"1.0","type":"link"}