To the best of my knowledge, Torrington is the only manufacturer of rollers for Indians, and was probably the OEM supplier (since Connecticut is so close to Springfield...) They are available from nearly any Indian supplier.
no thats not what i'm talking about. i'm talking about replacing the stock rollers and cages in the stock indian with 1" torrington bearings with sleeves for the indian stock lower end. i believe this is the same set up as the indian used at bonnevile from the shop. any talk about 4 cam set ups? you have to bore out the original indian race both cases for the torrington. the pin gets a hardened sleeve and torrington bearings. this way you can use the old shafts as they get a sleeve on top of them. on earlier cases bust out or machine the pinion side for the late open 46-53? side race with the lock/snap ring so you can line lap them?