The Wilwood GT Series flared bell rotor hat is a precision-machined aluminum hat with threaded rotor-mount holes tailored for larger rotor bolt circles and higher offsets. Designed to support rotors 12.19" and up on bolt circles roughly 8.38" or larger, these hats minimize weight while providing strength and are intended to be used with Wilwood rotor hardware kits for dependable performance in demanding braking applications.
Wilwood Hat-BB Front 1.88in Offset 5 x 4.50/4.75 - 12 on 8.75in