Raybestos 781049PER Disc Brake Rotor - Rear

Overview of Raybestos 781049PER Disc Brake Rotor

The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 781049PER is engineered for reliable braking performance on Chrysler and Dodge vehicles. Designed specifically for models like the 300, Challenger, Charger, and Magnum, this rotor offers precise fitment and consistent stopping power.

• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.635 inches (66.9 mm)
• Outside diameter: 12.598 inches (320 mm)
• Nominal thickness: 0.866 inches (22 mm)
• Discard thickness: 0.807 inches (20.5 mm)
• 5 mounting bolt holes with a 4.522 inch (114.85 mm) bolt circle diameter
• Center hole diameter: 2.858 inches (72.6 mm)
• Conventional rotor type compatible with stud/lug hole quantity of 5

Detailed Product Description

This Raybestos disc brake rotor, part number 781049PER, is designed with vented construction to enhance cooling during braking, reducing the risk of brake fade under demanding conditions. The rotor’s nominal thickness of 0.866 inches (22 mm) ensures durability and long service life, while the discard thickness of 0.807 inches (20.5 mm) provides a clear wear limit for safe replacement. The 12.598 inch (320 mm) outside diameter and 2.635 inch (66.9 mm) overall height are engineered to match the exact specifications required for Chrysler and Dodge 300, Challenger, Charger, and Magnum models, ensuring proper fit and function.

The rotor features five mounting bolt holes with a 4.522 inch (114.85 mm) bolt circle diameter and a center hole diameter of 2.858 inches (72.6 mm), compatible with conventional mounting systems. This rotor is designed for vehicles with five stud or lug holes, providing a secure and stable installation.

Specialty - Street Performance; S-Groove Technology Line

The Raybestos Specialty - Street Performance; S-Groove Technology product line focuses on delivering rotors that balance street performance with durability. The S-Groove design helps reduce noise and vibration while maintaining effective braking performance. This line is tailored for drivers who require dependable stopping power on street-driven Chrysler and Dodge vehicles without compromising rotor longevity.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chrysler 300, Dodge Challenger, Charger, and Magnum
• Addresses brake fade caused by overheating during aggressive street driving
• Resolves vibration or pulsation issues due to uneven rotor surface
• Improves braking consistency and pedal feel on performance street vehicles
• Ensures proper rotor thickness and fitment for safe braking operation

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 0.807 inches
• Ensure mounting surfaces are clean and free of debris for proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads for wear and replace if necessary to maintain optimal braking
• Perform a test drive to confirm proper brake operation and absence of noise or vibration

Quality Assurance and Warranty

Raybestos disc brake rotors, including part number 781049PER, are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance; S-Groove Technology line undergoes rigorous quality control to ensure consistent performance and durability. Warranty coverage details should be confirmed with the product documentation or authorized Raybestos distributor.