Wilwood's lug-drive rotor hat is specified with an 8.80" snap-ring interface and 4.50/4.75 bolt circle options, offering compatibility across those hub patterns in multi-piece rotor setups. The hat provides the mounting and retention interface for rotors using an 8.80" internal clip. Verify snap diameter and the appropriate bolt circle selection to confirm fitment with your rotor and hub assembly before purchase.
Wilwood 8.80 Snap Ring Lug Drive Hat 4.50/4.75