{"product_id":"s-s-cycle-2006-dyna-super-stock-91cc-cylinder-heads-wrinkle-black","title":"S\u0026S Cycle 2006 Dyna Super Stock 91cc Cylinder Heads - Wrinkle Black","description":"These S\u0026amp;S® Super Stock® high performance cylinder heads are designed specifically for S\u0026amp;S® T-Series T2 long block engines for 2007-'16 HD® big twins and 2007-'16 engines with S\u0026amp;S® 4-1\/4\" bore Hot Set Up Kit installed. 2.000\" intake and 1.605\" exhaust valves coupled with S\u0026amp;S® ports, supply plenty of air for these big motors. Not machined for S\u0026amp;S® compression releases. The manifold mounting surface is machined to stock dimensions, so a special manifold\/throttle body is required for engines that are not stock height. S\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift. Compatible with stock rocker boxes, exhaust, and intake manifolds.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":45171749716122,"sku":"SSC900-0349","price":1795.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3044\/8852\/files\/6dafc2111394360eacb9c4d659583620.jpg?v=1723339819","url":"https:\/\/throwdownperformance.com\/products\/s-s-cycle-2006-dyna-super-stock-91cc-cylinder-heads-wrinkle-black","provider":"Throwdown Performance, LLC","version":"1.0","type":"link"}