{"product_id":"mcs509619","title":"Jims Sprocket Shaft. 45\" Flathead – 1929–1973 45\" (750cc) Flatheads","description":"\u003ch2\u003eJims Sprocket Shaft. 45\" Flathead – 1929–1973 45\" (750cc) Flatheads\u003c\/h2\u003e\n\u003cp\u003eSprocket shaft has keyway; use 23985-12 key (MCS 517945). Use 7974 nut (MCS 981184) on flywheel side. JIMS shafts are precision machined in Camarillo; California from a special order steel. Each and every part is thoroughly inspected and after heat treating all threads go through a special process to make them withstand greater torque stress. All shafts are ground to a 16 micron finish or better; unless specified otherwise. All ground diameters are concentric to well within .0003\"; making truing and rebuilding quicker and with less effort.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e29-73 45\" (750cc) 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; SPROCKET SHAFTS\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 509619\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jim's","offers":[{"title":"Default Title","offer_id":57376873415043,"sku":"MCS509619","price":111.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/509619k_e81e9011-dedb-4d3a-a599-c70628eddcc5.jpg?v=1775554584","url":"https:\/\/hogparts.com\/products\/mcs509619","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}