Just hope I haven't bought something that looks good, but I can't use. The brakes are Airheart 150 ... Go-Kart brakes. A couple of the bolts were missing, so I called Airheart to see about getting a "hardware package". The guy I talked to was less than pleasant. He said I should have bought the entire caliber, rotor, piston,hardware kit from them and I wouldn't be having this problem. Yea, over $1000 just for the brakes ... I paid $350 for the brakes, wire wheels, tires, bearings center caps, etc. ... just missing a couple of bolts. Was not fun talking to these guys and when I asked for instructions sheets for installation, he kinda said I was on my own ... and good luck.
We will see ...