{"product_id":"s-s-cycle-cylinder-head-kit-big-twin-90-1004","title":"S\u0026S Cycle Cylinder Head Kit - Big Twin [MPN: 90-1004]","description":"\u003cdiv class=\"wrap-collapsibleMM\"\u003e\n\u003cinput id=\"collapsibleDescriptionMM102f9956\" class=\"collapsibleDescriptionMM toggleMM\" type=\"checkbox\"\u003e\u003clabel for=\"collapsibleDescriptionMM102f9956\" class=\"lbl-toggleMM\"\u003eProduct Description\u003c\/label\u003e\u003cdiv class=\"collapsible-contentMM\"\u003e\u003cdiv class=\"content-innerMM\"\u003e\n\u003cp\u003eSuper Stock™ Cylinder Head Kit\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eS\u0026amp;S heads give great performance, and work with additional upgrades\u003c\/li\u003e\n\u003cli\u003eKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)\u003c\/li\u003e\n\u003cli\u003eAvailable in natural and black powder-coat finish\u003c\/li\u003e\n\u003cli\u003eIntake manifold, pistons and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)\u003c\/li\u003e\n\u003cli\u003eMust reuse stock headbolts\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S Super Stock piston kits are required and include 10:1 ratio pistons, rings, piston pins and clips (sold separately in pairs)\u003c\/li\u003e\n\u003cli\u003eSold in pairs\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":46849318879419,"sku":"CCP-498274","price":1901.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/5230\/6875\/files\/228787_0_48.jpg?v=1759205561","url":"https:\/\/motomentum.com\/products\/s-s-cycle-cylinder-head-kit-big-twin-90-1004","provider":"Motomentum","version":"1.0","type":"link"}