Raybestos 56827PER Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Chevrolet and GMC Trucks

The Raybestos 56827PER disc brake rotor is engineered for dependable braking performance on Chevrolet and GMC trucks and SUVs. Designed specifically for models like the Silverado 1500, Sierra 1500, Tahoe, and Yukon, this rotor ensures consistent stopping power and durability under street driving conditions.

• Part Number: 56827PER
• Brand: Raybestos Specialty - Street Performance; S-Groove Technology
• Vented disc brake rotor with drum-in-hat design
• Outside diameter: 12.795 inches (325.0 mm)
• Nominal thickness: 0.790 inches (20.05 mm)
• Discard thickness: 0.728 inches (18.5 mm)
• Overall height: 3.350 inches (85.1 mm)
• Mounting bolt hole quantity: 6 with 0.645 inch (16.4 mm) diameter
• Center hole diameter: 3.098 inches (78.7 mm)
• Surface type: Smooth

Raybestos Specialty - Street Performance; S-Groove Technology

This rotor is part of the Raybestos Specialty - Street Performance line featuring S-Groove Technology, which is designed to enhance brake pad contact and reduce noise during braking. The vented design improves heat dissipation, helping maintain consistent braking performance during extended street use. The drum-in-hat configuration integrates the parking brake drum, making it suitable for specific Chevrolet and GMC truck applications.

Technical Details and Compatibility

The 56827PER rotor is a vented, drum-in-hat type rotor with a smooth surface finish, optimized for street performance. It features six mounting bolt holes arranged on a 5.5 inch (139.7 mm) bolt circle diameter, compatible with Chevrolet and GMC models including the Astro, Avalanche 1500, Safari, Sierra 1500 (Classic and HD), Sierra 2500, Silverado 1500 (Classic and HD), Silverado 2500, Suburban 1500 and 2500, Tahoe, Yukon, and Yukon XL 1500. The rotor’s nominal thickness of 0.790 inches ensures durability, while the discard thickness of 0.728 inches indicates when replacement is necessary to maintain safe braking.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet Silverado 1500 and GMC Sierra 1500 trucks
• Improves braking performance on heavy-duty models like Sierra 2500 and Silverado 2500
• Addresses brake fade caused by overheating during extended street driving
• Restores smooth braking and reduces noise with S-Groove Technology
• Compatible with vehicles requiring drum-in-hat rotor design for parking brake integration

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 specifications. It is recommended to replace brake pads when installing new rotors to optimize braking performance. Proper torque specifications should be followed for mounting bolts to avoid rotor warping.

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance line undergoes rigorous quality control to ensure consistent performance and durability. Warranty details should be confirmed with the product documentation or manufacturer.