3Q Brake SCION XA XB 04-06 Brake Rotor 46039 AIMCO# 31332 Ventilated Rotor Front 3Q Replacement Brake rotor:*Designed and engineered to replace your vehicle's OE parts with no change in performance and safety. *Non-directional finish provides smoother and quiter stops*ISO-certified for reliable performance*Balanced to prevent vibration at high speeds for smooth stopping Position: Front/ # of Stud Holes: 4 Type:Ventilated Rotor/ Overall Depth (mm): 43.3 Outside Diameter (mm): 254.9/ Center Bore Diameter (mm): 55.1 Initial Thickness (mm) : 21.9/ Minimum Discard Thickness (mm) : 20