Wilwood Hat-BB Front .543in Offset 5 x 4.50 - 12 on 8.75in

This Wilwood GT Series Big Brake flared bell hat is what you get when you order part number 170-11804. It's precision machined from aluminum alloys, designed to be strong while keeping weight down. These hats are built for use with standard through-hole mount rotors, featuring threaded holes for the rotor mounting bolts. They can also work with T-Nuts or bobbins if you're using specially machined slotted hole dynamic mount rotors.

When paired with the correct Wilwood rotor hardware kits, these GT hats offer solid, dependable performance. The flared bell design is typically used with rotor mount bolt circles of 8.38 inches and larger. This particular hat has a .543 inch offset and is designed for a 5 x 4.50 bolt pattern, intended for 12-inch diameter rotors mounted on an 8.75-inch diameter hub.