Raybestos 56641PER Disc Brake Rotor - Front or Front Left

Raybestos 56641PER Disc Brake Rotor Overview

The Raybestos 56641PER disc brake rotor is engineered for reliable braking performance on select GM vehicles. Designed specifically for models like the Chevrolet Camaro and Pontiac Firebird, this rotor offers precise fitment and consistent stopping power.

• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 11.920 inches (302.75 mm) for exact fit
• 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 4.646 inch (118 mm) bolt circle diameter
• Center hole diameter of 2.781 inches (70.65 mm) for proper hub alignment
• Compatible with multiple Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models

Specialty - Street Performance; S-Groove Technology Line

This rotor is part of the Raybestos Specialty - Street Performance; S-Groove Technology line, which focuses on delivering street-ready braking components with enhanced thermal management. The vented design helps reduce brake fade during aggressive driving, making it suitable for performance-oriented vehicles such as the Chevrolet Camaro and Pontiac Firebird.

Technical Details and Compatibility

The Raybestos 56641PER rotor features a vented construction that improves airflow and cooling, essential for maintaining braking efficiency under demanding conditions. With an overall height of 2.040 inches (51.8 mm) and a solid mounting configuration, this conventional rotor fits vehicles requiring a 5-lug bolt pattern. It is compatible with a range of GM models including the Buick LeSabre, Cadillac DeVille, Chevrolet Impala, Oldsmobile Aurora, and Pontiac Riviera, ensuring precise fitment and reliable performance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from drum brakes to disc brakes on compatible models
• Resolving excessive brake noise or vibration issues
• Improving heat dissipation to reduce brake fade during street performance driving
• Restoring proper rotor thickness to maintain safe braking distances

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the mounting bolt hole pattern and center hole diameter match your vehicle’s hub specifications. It is recommended to replace brake pads simultaneously to optimize braking performance. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM standards for durability and performance. The 56641PER rotor undergoes rigorous quality control to ensure consistent thickness and balance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship.