Brake Rotor Hat, Multi-Bolt Pattern - 620-3

PRP - Brake Rotor Hat, Multi-Bolt Pattern - 620-3

• Mounting Surface: The hat is where the rotor attaches to the hub with the wheel studs.
• Offset/Height: The hat creates the correct spacing between the friction surface and the hub/wheel. This offset is important for caliper alignment.
• Material: Usually cast iron, but on high-performance cars may be aluminum (with a separate iron disc ring) to save weight.

Spun steel material

• Rotor mount is 8 on 7" bolt circle
  
• Has three wheel bolt patterns:
• 5 on 4-1/2"

  5 on 4-3/4"

  5 on 5"