For 85-87 C4 Corvette Front Brake Adapter Brackets to Use C5/C6 Rotors Calipers
These brackets are designed to upgrade the braking system by adapting newer Corvette (C5 & C6) rotors (base JL9 or Z51-J55) and (for) PBR-made C5 or C6 front brake calipers to older Corvette (C4) models.