{"product_id":"mcs503601","title":"S\u0026S 640 Cam for Evo Big Twin – 1984–1999 Evo Big Twin","description":"\u003ch2\u003eS\u0026amp;S 640 Cam for Evo Big Twin – 1984–1999 Evo Big Twin\u003c\/h2\u003e\n\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\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e84-99 Evo Big Twin (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; CAMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 503601\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 503601\u003cbr\u003eManufacturer Part Number: 33-5108\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44341771403584,"sku":"MCS503601","price":218.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/503562k.jpg?v=1785953066","url":"https:\/\/hogparts.co.uk\/products\/mcs503601","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}