{"product_id":"s-s-cycle-super-stock™-engine-case-31-0003","title":"S\u0026S Cycle Super Stock™ Engine Case [MPN: 31-0003]","description":"\u003cdiv class=\"wrap-collapsibleMM\"\u003e\n\u003cinput id=\"collapsibleDescriptionMM9ee876c7\" class=\"collapsibleDescriptionMM toggleMM\" type=\"checkbox\"\u003e\u003clabel for=\"collapsibleDescriptionMM9ee876c7\" class=\"lbl-toggleMM\"\u003eProduct Description\u003c\/label\u003e\u003cdiv class=\"collapsible-contentMM\"\u003e\u003cdiv class=\"content-innerMM\"\u003e\n\u003cp\u003eSuper Stock™ Engine Case\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis crankcase is machined to accept the stock oil filter assembly introduced on some 1992 model Big Twins\u003c\/li\u003e\n\u003cli\u003eThis convenient, accessible location can be utilized to simplify installation of an oil filter in custom applications\u003c\/li\u003e\n\u003cli\u003eMachined to accept 84-91 or 92-99 style oil pumps and the stock 84-99 style oil distribution system\u003c\/li\u003e\n\u003cli\u003eFor Evolution style engines, the engine builder has the option of venting the crankcase breather from the crankcase, through the cylinder heads, or both\u003c\/li\u003e\n\u003cli\u003eIt's recommended using both crankcase breathers in engines of 96 or larger displacement\u003c\/li\u003e\n\u003cli\u003eTo make this possible in all applications, there are two crankcase breather holes available in the rear of the S\u0026amp;S  alternator crankcases\u003c\/li\u003e\n\u003cli\u003eOne is in the stock location and the other is angled down to allow the installation of a crankcase breather fitting in the chassis with integral transmission\/oil tank\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S  Big Twin cases optimize crankcase oil scavenging efficiency by using a ported design breather passageway and a breather window that is machined to maximum timing specifications\u003c\/li\u003e\n\u003cli\u003eThese features allow the air\/oil mist to move smoothly from the flywheel cavity to the gear chest of the engine\u003c\/li\u003e\n\u003cli\u003eThe return oil pick-up passage to the return side of the oil pump has been relocated in order to avoid the turbulence caused by the oil pump drive gear\u003c\/li\u003e\n\u003cli\u003eThis unique design results in greatly improved scavenging of oil from the gear case and virtually eliminates oil carry over at sustained high speeds\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S  Big Twin crankcases for Evolution style engines are not machined with a primary oil scavenge port for drawing oil from a Shovel style primary chain case\u003c\/li\u003e\n\u003cli\u003eIf the primary oil scavenge port is required on an Evolution style crankcase, it can be special ordered\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e99 Evolution Big Twin models: stock bore and natural aluminum; accepts 92-99 style oil pumps; 92-99 cases differ from the 84-91 only in the oil pump mounting bolt pattern\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e91 Evolution Big Twin models: stock bore and natural aluminum; accepts 84-91 style oil pumps; 84-91 cases differ from the 92-99 only in the oil pump mounting bolt pattern\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e84 Shovelhead style: stock bore; accepts 81-84 style oil pumps; machined for stock primary oil return\u003c\/li\u003e\n\u003cli\u003eMade in USA\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":46845816144059,"sku":"CCP-499510","price":1856.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/5230\/6875\/files\/229375_0_48.jpg?v=1759090828","url":"https:\/\/motomentum.com\/products\/s-s-cycle-super-stock%e2%84%a2-engine-case-31-0003","provider":"Motomentum","version":"1.0","type":"link"}