{"product_id":"s-s-cycle-super-stock-cylinder-head-kit-1119086140","title":"Super Stock™ Cylinder Head Kit","description":"\u003cp\u003eCylinder Head Kit - Super Stock™ - Natural - Evolution Big Twin '88-'99\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eS\u0026amp;S heads give great performance, and work with additional upgrades\u003c\/li\u003e\n\u003cli\u003eCompatible with stock 3-1\/2\" or 3-5\/8\" bore engines\u003c\/li\u003e\n\u003cli\u003eFully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves and high flowing ports supply plenty of air for big inch engines\u003c\/li\u003e\n\u003cli\u003eMust reuse stock headbolts\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S Super Stock piston kits are required.\u003c\/li\u003e\n\u003cli\u003eIntake manifold, pistons and gasket kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Cylinder Head Kit - Super Stock™ - Natural - Evolution Big Twin '88-'99 (90-1004)","offer_id":54476763693374,"sku":"90-1004","price":1949.95,"currency_code":"USD","in_stock":true},{"title":"Cylinder Head Kit - Super Stock™ - Black - Evolution Big Twin '88-'99 (90-1504)","offer_id":54476763726142,"sku":"90-1504","price":1799.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8384\/4926\/files\/90-1004__67561.1749148080.png?v=1789763571","url":"https:\/\/twistiesmotorsports.com\/products\/s-s-cycle-super-stock-cylinder-head-kit-1119086140","provider":"TWISTIES MOTORSPORTS ","version":"1.0","type":"link"}