ACDelco 18A81064 Gold Solid Rear Disc Brake Rotor

The ACDelco 18A81064 Gold (Professional) Disc Brake Rotor is a premium aftermarket replacement designed to deliver reliable stopping power and performance. This solid-construction rear rotor features a fully coated finish that provides superior rust protection against harsh environmental elements while helping to prevent the rotor from seizing to the hub.

Key Features:

• Manufactured from G3000 qualified cast iron material that meets SAE standards for structural integrity
• Mill-balanced construction for smooth brake operation and noise reduction
• Thickness variation less than 0.0004" to minimize pedal pulsation and extend brake pad life
• Non-directional ground finish optimized for pad longevity
• Ready to install right out of the box with no machining required
• Independently tested for noise, vibration, and harshness (NVH) performance
• Black E-coat finish provides corrosion resistance on non-friction surfaces

Specifications:

• Rotor Type: Solid (non-vented)
• Outside Diameter: 12.982" (329.75mm)
• Nominal Thickness: 0.43" (10.9mm)
• Mounting Bolt Circle: 4.5" (114.3mm)
• Lug Holes: 5-lug pattern
• Material: Cast Iron

ACDelco Gold parts are manufactured to meet General Motors' expectations for fit, form, and function, making them an excellent choice for GM vehicles as well as most other makes and models. Backed by General Motors quality standards, this rotor delivers OE-level performance at competitive aftermarket pricing.