The Wilwood Aerolite 6R kit for 1955–1957 Chevrolet Bel Air is listed for 5 x 4.50in/4.75in hubs and includes 14.00in D&S rotors. This Aerolite 6R configuration pairs the stated hub bolt pattern with a 14-inch drilled-and-slotted rotor option for Tri-Five Bel Air front brake fitment, with details focused on rotor type and hub compatibility.
Wilwood 55-57 Chevy Bel Air Aerolite 6R Kit, 5 x 4.50in/4.75in Hub - 14.00in D&S Rotor