[Perfect Fitment-3]: Compatible with GMC Sierra 3500 2004-2006, Sierra 3500 Classic 2007 (12000LB GVW), Sierra 3500 HD 2007-2010---Front Side; with Dual Rear Wheel
[Reference Number]: The A-Premium Vented Disc Brake Rotors: R-55062, R55062 --- Fit for Front Left and Right, Driver and Passenger Side
[Specification]: ①Material: G3000 Metallurgy, ②Mounting Bolt Hole Quantity: 8, ③Outside Diameter (mm): 324.90, ④Discard Thickness (mm): 36.50; G3000 metallurgy and metallic coating of brake discs can effectively prevent rust and corrosion, extending the lifespan. Industry low runout and DTV specifications enable smooth disc operation, low dust, noise reduction, and excellent braking power.