CHEV C1500 REAR DISC BRAKE ROTOR 2WD 99 00 # AR-8641CHEV C1500 REAR DISC BRAKE ROTOR 2WD 99 00 # AR 8641 Standard Brake Rotor Intended for Street Use: Yes For Use with Stock Calipers: Yes Rotor Construction: Vented Rotor Style: Solid surface Rotor Outside Diameter (in.): 12. 79 in. Brake Rotor Bolt Pattern (in.): 6 x 5. 50 in. Brake Rotor Bolt Pattern (mm): 6 x 139. 70mm Nominal Thickness (mm): 20. 00mm Discard Thickness (mm): 18. 50mm Rotor Material: Iron Rotor Finish: Natural Quantity: Sold