https://www.ebay.com/itm/Yamaha-RZ350-RZ-350-FRONT-BRAKE-UPGRADE/224177439818?hash=item343204444a:g:0h4AAOSw9UVfdiNi
I paid$150 for just the brackets for my conversion so this is cheap so far. I think I had a little over $100 in the rest of the stuff shopping around on EBay for good used. I went with an R1 master cylinder on mine. The difference in braking is unbelievable.