Raybestos 580720R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580720R

The Raybestos R-Line Disc Brake Rotor 580720R is engineered for reliable braking performance on Pontiac G8 vehicles. Designed with precise dimensions and a smooth surface, this rotor ensures consistent stopping power and durability under normal driving conditions.

• Compatible with Pontiac G8 models
• Part number 580720R for exact fitment
• Conventional disc brake rotor with smooth surface finish
• Overall height: 2.047 inches (52.000 mm)
• Outside diameter: 12.639 inches (321.050 mm)
• Inside diameter: 8.308 inches (211.000 mm)
• Mounting bolt hole quantity: 5 with 0.637 inch (16.200 mm) diameter
• Nominal thickness: 1.181 inches (30.000 mm), discard thickness: 1.102 inches (28.000 mm)

Detailed Product Specifications

This Raybestos R-Line rotor features a conventional design suitable for Pontiac G8 disc brake systems. The rotor’s nominal thickness of 1.181 inches (30.000 mm) provides a solid braking surface, while the discard thickness of 1.102 inches (28.000 mm) indicates the minimum safe thickness before replacement is necessary. The smooth surface type helps reduce brake noise and ensures even pad wear. With an outside diameter of 12.639 inches (321.050 mm) and an inside diameter of 8.308 inches (211.000 mm), this rotor fits precisely on the vehicle’s hub, supported by five mounting bolt holes arranged on a 4.724 inch (120.000 mm) bolt circle diameter.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable, conventional brake components designed to meet OEM specifications. This line emphasizes quality materials and manufacturing processes to provide rotors that maintain consistent performance and durability. The 580720R rotor is part of this line, offering a balance of reliability and fitment accuracy for Pontiac G8 owners requiring replacement disc brake rotors.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake vibration
• Restores braking efficiency lost due to rotor thickness below discard limits
• Addresses uneven brake pad wear linked to rotor surface imperfections
• Eliminates brake noise caused by rough or damaged rotor surfaces
• Ensures proper fitment and alignment for Pontiac G8 brake assemblies

Installation Notes and Tips

When installing the Raybestos R-Line 580720R rotor, ensure the mounting surface is clean and free of rust or debris to promote proper seating. Verify the rotor thickness before installation to confirm it meets or exceeds the nominal thickness specification. Use the correct torque specifications for the five mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet industry standards for durability and performance. The 580720R rotor undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.