{"product_id":"super-stock-cylinder-heads-for-twin-cam-for-harley-davidson-0930-0058","title":"SUPER STOCK™ CYLINDER HEADS FOR TWIN CAM FOR HARLEY-DAVIDSON","description":"\u003cp\u003e S\u0026amp;S CYCLE SUPER STOCK™ CYLINDER HEADS FOR TWIN CAM FOR HARLEY-DAVIDSON Black\/Natural Super Stock™ Twin Cam Cylinder Heads High port flow gives great performance now, and more later when additional upgrades are done\u003c\/p\u003e\n\n\n\u003cp\u003e Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powdercoat\u003c\/p\u003e\n\n\n\u003cp\u003e Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see Compression Ratios chart for specifications\u003c\/p\u003e\n\n\n\u003cp\u003e 79cc heads work great with stock motors for 88\" to 103\" motors; 89cc\/91cc heads work best for engines over 103\" or with high-compression pop-up pistons\u003c\/p\u003e\n\n\n \u003cp\u003e79cc have 1.940\" intake and 1.575\" exhaust valve and springs for up to .650\" lift (unless noted); 89cc\/91cc have 2.000\" intake and 1.605\" exhaust and .650\" springs\u003c\/p\u003e\n\n\n\u003cp\u003e 79cc heads accept OEM rocker boxes\u003c\/p\u003e\n\n\n\u003cp\u003e 89cc heads accept S\u0026amp;S rocker boxes only (PART #90-4110)\u003c\/p\u003e\n\n\n\u003cp\u003e Heads are machined for compression releases (sold separately); S\u0026amp;S rocker boxes required when using S\u0026amp;S compression releases\u003c\/p\u003e\n\n\n\u003cp\u003e Do not include rocker arm components, intake manifold or gaskets\u003c\/p\u003e\n\n\n\u003cp\u003e Heads include four long headbolts, and reuse four long OEM headbolts\u003c\/p\u003e\n\n\n\u003cp\u003e Accepts OEM intake manifolds\u003c\/p\u003e\n\n\n\u003cp\u003e Sold in pairs\u003c\/p\u003e\n\n\n\u003cp\u003e Made in the USA\u003c\/p\u003e\n\n\n\u003cp\u003e SUPER STOCK™ CYLINDER HEADS FOR TWIN CAM\u003c\/p\u003e\n\n\n\u003cp\u003e NOTE: Must use S\u0026amp;S rocker boxes (PART #90-4110) if S\u0026amp;S compression releases are used.\u003c\/p\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":31884774998101,"sku":"P09300058","price":2579.28,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/429B766F-A86B-411F-BE51-68D3ECCCF1FC_bd3219b8-9004-4ae4-b96f-473918ec74aa.jpg?v=1584639503","url":"https:\/\/california-motorcycles.com\/en\/products\/super-stock-cylinder-heads-for-twin-cam-for-harley-davidson-0930-0058","provider":"California Motorcycles","version":"1.0","type":"link"}