{"product_id":"s-s-cylce-2007-bt-2006-bt-dyna-640g-camshaft-kit","title":"S\u0026S Cycle 84-99 BT Super Stock Cylinder Heads - Wrinkle Black Aluminum Finish","description":"These S\u0026amp;S® Super Stock® high performance cylinder heads are designed specifically for S\u0026amp;S® 4-1\/8\" bore V-Series engines for 1984-'99 HD® big twins. Heads are machined for the S\u0026amp;S® 4-1\/8\" cylinder stud pattern used on S\u0026amp;S® Special Application crankcases. 2.000\" intake and 1.605\" exhaust valves coupled with S\u0026amp;S® ports, supply plenty of air for these big motors. Machined for S\u0026amp;S® electric or manual compression releases. The manifold mounting surface machined to stock specifications so special length 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":44401047732398,"sku":"SSC90-1361","price":1999.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/0714\/9486\/files\/0334abb3e464908d1689fa6744ff7dca.jpg?v=1702145369","url":"https:\/\/purauto.com\/products\/s-s-cylce-2007-bt-2006-bt-dyna-640g-camshaft-kit","provider":"PurAuto","version":"1.0","type":"link"}