{"product_id":"s-s-cycle-91cc-cylinder-heads-for-harley-big-twins","title":"S\u0026s Cycle 91cc Cylinder Heads For Harley Big Twins","description":"\u003cp\u003eUpgrade your Harley-Davidson® big twin engine with S\u0026amp;S Cycle 91cc Super Stock® Cylinder Heads. Designed for optimal performance and compatibility, these cylinder heads are a must-have for enthusiasts seeking enhanced power and reliability.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThese S\u0026amp;S Cycle Super Stock® cylinder heads are specifically engineered for S\u0026amp;S® T-Series T2 long block engines and Harley-Davidson® big twins with S\u0026amp;S® 4.25\" bore Hot Set Up kits installed. Featuring 2.000\" intake and 1.605\" exhaust valves, coupled with precisely engineered S\u0026amp;S® ports, these heads deliver an ample air supply to larger displacement motors. High-performance valve springs accommodate camshafts with lifts up to 0.650\". They are designed to be compatible with stock rocker boxes, exhaust, and intake manifolds. The manifold mounting surface is machined to stock dimensions ensuring ease of installation. Built with pride in the USA, these cylinder heads offer a significant performance boost for your Harley-Davidson engine.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for S\u0026amp;S® T-Series T2 long block engines and Harley-Davidson® big twins with 4.25\" bore.\u003c\/li\u003e\n  \u003cli\u003e2.000\" intake and 1.605\" exhaust valves provide optimal airflow.\u003c\/li\u003e\n  \u003cli\u003eS\u0026amp;S® high-performance valve springs allow camshafts with up to 0.650\" lift.\u003c\/li\u003e\n  \u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds for easy installation.\u003c\/li\u003e\n  \u003cli\u003eManifold mounting surface is machined to stock dimensions.\u003c\/li\u003e\n  \u003cli\u003eProudly made in the USA.\u003c\/li\u003e\n  \u003cli\u003eIncrease horsepower and torque throughout the RPM range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: S\u0026amp;S Cycle\u003c\/li\u003e\n  \u003cli\u003eProduct Name: Cylinder Head Kit\u003c\/li\u003e\n  \u003cli\u003eDisplacement: 91cc\u003c\/li\u003e\n  \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n  \u003cli\u003eIntake Valve Size: 2.000\"\u003c\/li\u003e\n  \u003cli\u003eExhaust Valve Size: 1.605\"\u003c\/li\u003e\n  \u003cli\u003eFinish: Powder-Coated, Wrinkle Black\u003c\/li\u003e\n  \u003cli\u003eColor: Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to know\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eA special manifold\/throttle body is required for engines that are not stock height.\u003c\/li\u003e\n  \u003cli\u003eNot machined for compression releases.\u003c\/li\u003e\n  \u003cli\u003eMust use S\u0026amp;S valve cover gasket kit with stock rocker covers.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17-'20 touring models.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":53644384108874,"sku":"09031292","price":2530.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/1804eafe56227d71b832c5478d0870c0.webp?v=1766430528","url":"https:\/\/partsdenmark.com\/fr\/products\/s-s-cycle-91cc-cylinder-heads-for-harley-big-twins","provider":"Parts Denmark","version":"1.0","type":"link"}