{"product_id":"s-s-cycle-90-1106-s-s-cycle-cylinder-heads-super-stock-r-89-cc-wrinkle-black-twin-cam","title":"S\u0026S Cycle Cylinder Heads - Super Stock® - 89 Cc - Wrinkle Black - Twin Cam","description":"\n\u003cul class=\"tabs\"\u003e\n\n\u003cli covers=\"tab2\"\u003e\u003ca class=\"active\" href=\"#tab2\"\u003eProduct Description\u003c\/a\u003e\u003c\/li\u003e\n\n\n\n\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\u003cli class=\"active\" id=\"tab2\" style=\"display: block;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n Heads are fully assembled with springs and valves\n\u003c\/li\u003e\n\u003cli\u003e\n Designed for '99-'05 engines with stock crankcase\n\u003c\/li\u003e\n\u003cli\u003e\n Good for touring bikes and other heavy vehicles\n\u003c\/li\u003e\n\u003cli\u003e\n Works best for motors over 103\" or with high-compression pop-up pistons\n\u003c\/li\u003e\n\u003cli\u003e\n Combustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines\n\u003c\/li\u003e\n\u003cli\u003e\n Large 2.000\" intake and 1.605\" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential\n\u003c\/li\u003e\n\u003cli\u003e\n S\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift\n\u003c\/li\u003e\n\u003cli\u003e\n Intake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM\n\u003c\/li\u003e\n\u003cli\u003e\n Compatible with stock rocker boxes, exhaust, and intake manifolds\n\u003c\/li\u003e\n\u003cli\u003e\n Includes heads and four long headbolts; and reuse four long OEM headbolts\n\u003c\/li\u003e\n\u003cli\u003e\n Made in the USA\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\n Must use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\n\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\n\n\n\u003c\/ul\u003e\n","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":43255320281154,"sku":"90-1106","price":1795.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1150\/3356\/files\/c42645513884ce325589f270296ca682.png?v=1780667956","url":"https:\/\/www.motomillion.com\/products\/s-s-cycle-90-1106-s-s-cycle-cylinder-heads-super-stock-r-89-cc-wrinkle-black-twin-cam","provider":"Motomillion","version":"1.0","type":"link"}