{"product_id":"knucklehead-engine-case-set","title":"Knucklehead Engine Case Set","description":"\u003cp\u003e2023 New Production motor case set features a blank number boss  there are no serial numbers on the case. Sold with Bill of Sale only. Includes the welch plug  and the right and left case races installed as original!\u003c\/p\u003e\n\u003cp\u003eOil from top end returns through pushrod tubes. Does not return through cylinder base. Case accepts loose roller bearings on the sprocket and pinion shaft side. Case set required line lapping of the main case races. Case set is designed for replacement of the original cases. Case sets do not include pinion and sprocket shaft races. *NOTE: Case races should be line bored to 1.500 inch to accept standard rollers. Use 2 gaskets when mounting the oil pump body for proper clearance.  **NOTE: Numeral  inch7 inch stamped on rear motor mount halves  to denote 74 cubic inch. Builder may stamp these numbers in. *NOTE: Must order the following required components separately: cam  distributor gear  breather gear  pump and bushing.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e V-Twin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV-Twin Part Number:\u003c\/strong\u003e 10-1209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Group:\u003c\/strong\u003e Crank Case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Case Sets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TAIWAN\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1937-1947 EL\u003c\/li\u003e\n\u003cli\u003e1941-1947 FL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease verify fitment before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":47495155810388,"sku":"10-1209","price":1751.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/0122\/9908\/files\/10-1209a.jpg?v=1786496396","url":"https:\/\/skywaycyclesupply.com\/products\/knucklehead-engine-case-set","provider":"Skyway Cycle Supply","version":"1.0","type":"link"}