{"product_id":"s-s-cycle-89cc-super-stock-cylinder-heads-1","title":"S\u0026s Cycle 89cc Super Stock Cylinder Heads","description":"\u003cp\u003eUpgrade your Harley-Davidson's performance with S\u0026amp;S Cycle 89cc Super Stock® Cylinder Heads. These heads are designed to boost power and efficiency, especially in touring bikes and heavier vehicles. Experience improved throttle response and increased horsepower throughout the RPM range.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe S\u0026amp;S Cycle Super Stock® cylinder heads are engineered to maximize airflow and combustion efficiency. Featuring large 2.000\" intake and 1.605\" exhaust valves, these heads maintain optimal port velocity for excellent low- and mid-range response while providing ample airflow for engines up to 110 cubic inches. The combustion chamber design delivers a slightly higher than stock compression ratio, perfectly suited for larger displacement engines. These heads are compatible with stock rocker boxes, exhaust systems, and intake manifolds, simplifying the upgrade process. Made in the USA, these cylinder heads deliver exceptional quality and performance, ensuring reliability and longevity for your high-performance engine build. With an impressive 264 CFM intake port flow compared to the stock 182 CFM, you will notice a significant improvement in engine breathing and overall power.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eFully assembled with high-performance valve springs, ready for installation.\u003c\/li\u003e\n    \u003cli\u003eOptimized for '06-'16 engines with stock crankcases, ideal for touring and heavy vehicles.\u003c\/li\u003e\n    \u003cli\u003eEnhanced airflow with 2.000\" intake and 1.605\" exhaust valves for improved engine breathing.\u003c\/li\u003e\n    \u003cli\u003eDesigned for engines up to 110\", maximizing performance potential.\u003c\/li\u003e\n    \u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds for easy installation.\u003c\/li\u003e\n    \u003cli\u003eHigh-performance valve springs accommodate camshafts with up to 0.650\" lift.\u003c\/li\u003e\n    \u003cli\u003eMade in the USA, ensuring top-quality craftsmanship and reliability.\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\u003eDisplacement: 89cc\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\u003eMaterial: Aluminum\u003c\/li\u003e\n    \u003cli\u003eFinish: Silver, Powder-Coated\u003c\/li\u003e\n    \u003cli\u003eUnits: Pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to know\u003c\/h2\u003e\n\u003cp\u003eThese cylinder heads are not compatible with S\u0026amp;S compression releases in late-model Twin Cams with Harley-Davidson® ACR (Automatic Compression Release) already installed. They are also incompatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models. Not for models with OEM compression releases. If using S\u0026amp;S compression releases, S\u0026amp;S rocker boxes must be used.\u003c\/p\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":53644943884618,"sku":"09300065","price":20609.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/2942cf96a8f80e54f1ddb0e9debc8632_96a336e9-fd50-4b01-8719-ab7788b05c6c.webp?v=1766435098","url":"https:\/\/partsdenmark.dk\/products\/s-s-cycle-89cc-super-stock-cylinder-heads-1","provider":"Parts Denmark","version":"1.0","type":"link"}