{"product_id":"mcs970143","title":"James Gaskets Top End Gasket Kit. 45\" Flathead – 1940–1973 45\" (750cc) Flatheads","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e.020\" embossed copper cylinder head gaskets; .020\" cylinder base gaskets; and all other gaskets; seals and O-rings required for a 45\" top end rebuild. OEM replacement reference 17031-40 (55-40)\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e40-73 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 James Gaskets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e GASKETS \u0026gt; GASKET SETS TOP END\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e KIT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 970143\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 970143\u003cbr\u003eManufacturer Part Number: 17031-40\u003cbr\u003eOEM Number: 17031-40\u003c\/p\u003e","brand":"James Gasket","offers":[{"title":"Default Title","offer_id":57378929443203,"sku":"MCS970143","price":54.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/970143k.jpg?v=1785974692","url":"https:\/\/hogparts.co.uk\/products\/mcs970143","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}