Raybestos 780389 Disc Brake Rotor - Front, Front Left or Front Right

Overview of Raybestos Specialty - Street Performance Rotor 780389

The Raybestos Specialty - Street Performance disc brake rotor 780389 is engineered for Chrysler and Dodge vehicles, including the 300, Challenger, Charger, and Magnum models. Designed to meet specific fitment requirements, this vented rotor offers reliable braking performance for street applications.

• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 14.173 inches (360 mm) for precise fitment
• Nominal thickness of 1.260 inches (32 mm) with discard thickness at 1.181 inches (30 mm)
• Five mounting bolt holes with a 4.528 inch (115 mm) bolt circle diameter
• Center hole diameter of 2.858 inches (72.6 mm) for accurate hub alignment
• Conventional rotor design compatible with drum-in-hat systems
• Overall height of 2.283 inches (58 mm) ensuring proper caliper clearance

Detailed Product Description

This Raybestos disc brake rotor, part number 780389, is a vented rotor designed to optimize heat dissipation during braking, reducing the risk of brake fade under street driving conditions. The rotor’s nominal thickness of 1.260 inches (32 mm) and discard thickness of 1.181 inches (30 mm) provide a clear service life indicator to maintain safe braking performance. The rotor features five mounting bolt holes arranged on a 4.528 inch (115 mm) bolt circle diameter, matching the factory specifications for Chrysler and Dodge 300, Challenger, Charger, and Magnum models. The center hole diameter of 2.858 inches (72.6 mm) ensures proper hub fitment, while the overall height of 2.283 inches (58 mm) maintains compatibility with the vehicle’s braking system. This conventional rotor design is suitable for vehicles equipped with drum-in-hat style rotors.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors engineered for street-driven vehicles requiring dependable braking performance without the need for racing-grade components. This product line balances durability and heat management, making it suitable for Chrysler and Dodge muscle cars like the 300, Challenger, Charger, and Magnum. The 780389 rotor exemplifies this approach by providing vented construction and precise fitment to maintain consistent braking under typical street conditions.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chrysler 300, Dodge Challenger, Charger, and Magnum
• Improves heat dissipation to reduce brake fade during extended street driving
• Restores proper rotor thickness to maintain braking efficiency and safety
• Addresses rotor runout issues causing brake pulsation or noise
• Compatible with vehicles requiring a vented, conventional disc brake rotor

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 1.181 inches (30 mm)
• Ensure mounting surfaces and hub are clean and free of debris for proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and calipers during installation for optimal braking system performance
• Follow vehicle-specific service manual instructions for rotor replacement procedures

Quality Assurance and Warranty

Raybestos rotors, including part number 780389, 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 coverage details should be confirmed with the product documentation or authorized Raybestos distributor.