Raybestos 580298R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580298R

The Raybestos R-Line Disc Brake Rotor 580298R is engineered for reliable braking performance on select Buick, Chevrolet, Pontiac, and Saturn vehicles. Designed as a vented, conventional rotor, it offers consistent heat dissipation and durability for models like the Buick LaCrosse and Chevrolet Montana.

• Vented disc brake rotor for improved cooling
• Overall diameter of 11.695 inches (297.05 mm)
• Nominal thickness of 1.270 inches (32.25 mm) with discard thickness at 1.209 inches (30.7 mm)
• Five mounting bolt holes with a 4.528 inch (115 mm) bolt circle diameter
• Center hole diameter of 2.783 inches (70.7 mm)
• Compatible with multiple GM models including Buick Allure, Pontiac Grand Prix, and Saturn Relay

Detailed Specifications and Features

This Raybestos R-Line rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under demanding conditions. The rotor’s overall height measures 2.050 inches (52.05 mm), providing the necessary clearance and fitment for the specified vehicles. With a solid mounting configuration of five bolt holes and a 0.557 inch (14.15 mm) mounting bolt hole diameter, it ensures secure installation. The nominal thickness of 1.270 inches (32.25 mm) and discard thickness of 1.209 inches (30.7 mm) define the rotor’s usable lifespan and replacement threshold, critical for maintaining braking efficiency.

R-Line Product Line Information

The Raybestos R-Line product line focuses on delivering dependable, OE-quality brake components designed to meet the specifications of original equipment. This line balances performance and durability, making it suitable for drivers seeking reliable replacement parts for their GM vehicles. The 580298R rotor exemplifies the R-Line’s commitment to quality and fitment accuracy.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving heat dissipation to reduce brake fade on Buick LaCrosse and Chevrolet Montana
• Restoring proper braking performance on Pontiac Grand Prix and Saturn Relay
• Ensuring secure fitment with correct bolt hole pattern and center bore dimensions

Installation Notes and Tips

Before installation, verify rotor dimensions against the vehicle’s specifications to ensure compatibility. Clean the rotor surface to remove any protective coatings or debris. Use proper torque specifications on mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Check for any signs of uneven wear or damage on the hub assembly during installation.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, ensuring consistent performance and durability. The 580298R rotor undergoes rigorous quality control to maintain precise dimensions and material integrity. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.