Where to find replacement and how to replace early c4 positive battery cable?

[L98350]

Hi, my 85 positive battery cable is FRIED. I cannot find a replacement let alone find how to replace it. Any help would be greatly appreciated. Thank you

 

[GWinter]

ACDelco Professional Battery Cables 88865105 - Free Shipping on Orders Over $99 at Summit Racing
do a google for it . this is supposed to be the right one . ???

 

[L98350]

Sorry I should have been more specific. I meant does anyone know of any auto part stores that I can receive the right piece next day? I could order online but it would take too long I may have to buy a used one.