Wilwood Rotor-Rear-SRP-BLK-Drill-RH 11.00 x .810 x - 6 x 5.50

Rotor-Rear-SRP-BLK-Drill-RH 11.00 x .810 x - 6 x 5.50.

Genuine Wilwood product, part number 160-16621-BK.