tire size in early A

I have a m/t slick 15x10.5"x26 on my 65 ragtop , stock location super stock springs . section width is 11.1". bulge to bulge . Nothing trimmed off on the outer wheel wells or molding.
Crager SS wheels 15" I think the space space is 4.5".
8.75 rear end.
Everything fits great ! !