{"product_id":"mcs506874","title":"Jims 41-E81 Crankpin. STD But 0.25\" Shorter – 41-E81 Big Twin","description":"\u003ch2\u003eJims 41-E81 Crankpin. STD But 0.25\" Shorter – 41-E81 Big Twin\u003c\/h2\u003e\n\u003cp\u003eThis special crankpin is identical to the JIMS 506870 crankpin but are ground shorter; -.025\" from taper to taper; for engine builders that prefer less connecting rod end play. Standard O.D. 1.2490\". 3-hole oil design. Use Jims 978251 crankpin nuts. Use Jims 978618 (Repl. 23985-18) woodruff keys. Custom replacement crankpin for OEM 23961-41.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e41-E81 Big Twin (Excl. 61\" Knuckle; 61\" Panhead \u0026amp; all Flatheads) (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Jims\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; CRANKPINS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 506874\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jim's","offers":[{"title":"Default Title","offer_id":57376856277379,"sku":"MCS506874","price":146.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/506874k_9c8f1273-e465-46ca-9f17-2141d9afe0a0.jpg?v=1775554817","url":"https:\/\/hogparts.com\/products\/mcs506874","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}