I ended up at a Pep-Boys today but forgot the Fit Rite size you mentioned. I came home with several sizes I "thought" would work but all ended up not a size B. I was up in the mid range area.

I'll be back again tomorrow for the "B" size, I hope they have it............They should have a size selection book there to make a selection......Pep's seems to be pricey here on the east coast at $4.99.