This Wilwood 12-lug Dynamic lug-drive rotor hat is specified for 12-lug drive applications and notes an 8.80" snap-ring interface. It serves as the mounting hat that secures rotors in multi-piece rotor systems while providing the correct interface for snap retention. Use the listed snap dimension to verify compatibility with your rotor and hub assembly and ensure correct fitment during installation.
Wilwood 12 Lug Drive Dynamic MT Hat 8.80 Snap