I got all of the rebuild kits for my 41 from Napa, hoses too. I ordered hoses from Carter but they were the wrong I.D. The napa hose is about .25" longer than the OE but they work. In the end the napa kits might be okay, but I thought they were a little sloppy so I bought new wheel cylinders from Jim Carter. The M/C rebuild kit I got from napa is working well. I can't seem to find the part numbers right now for napa but they are online. Good luck, and keep us up on the progress!
Rob