Raybestos 980493 Disc Brake Rotor - Front Left

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980493 is engineered for Lexus models including GS350, GS430, GS450h, GS460, IS200t, IS300, and IS350. Designed to meet precise specifications, this vented rotor offers reliable braking performance for street-driven vehicles.

• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 13.15 inches (334 mm) for optimal fitment
• Nominal thickness of 1.181 inches (30 mm) with discard thickness at 1.063 inches (27 mm)
• Five mounting bolt holes with a 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter of 2.441 inches (62 mm) for secure hub fit
• Conventional rotor design compatible with drum-in-hat systems

Detailed Product Specifications

This Raybestos rotor 980493 features a vented design that enhances cooling during braking, reducing the risk of brake fade under normal street driving conditions. The rotor’s overall height measures 1.996 inches (50.7 mm), ensuring proper alignment with the brake caliper and pads. The nominal thickness of 1.181 inches (30 mm) provides a durable braking surface, while the discard thickness of 1.063 inches (27 mm) indicates the minimum safe thickness before replacement is necessary. The rotor includes five mounting bolt holes with a diameter of 0.566 inches (14.4 mm) arranged on a 4.5 inch (114.3 mm) bolt circle, matching the factory specifications for the listed Lexus models.

Specialty - Street Performance Product Line

The Specialty - Street Performance line by Raybestos focuses on delivering rotors designed for street-driven vehicles that require dependable braking performance without the need for racing-grade components. This product line balances durability and heat management, making it suitable for Lexus GS and IS series vehicles used in everyday driving and spirited street performance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus GS350, GS430, GS450h, GS460, IS200t, IS300, and IS350
• Improves braking consistency by reducing heat buildup with vented rotor design
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain safe braking performance
• Compatible with conventional drum-in-hat brake systems for these Lexus models

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your vehicle’s specifications before installation
• Inspect brake pads and calipers for wear and replace if necessary during rotor installation
• Ensure mounting surfaces are clean and free of debris to prevent rotor runout
• Torque mounting bolts to manufacturer specifications to avoid rotor distortion
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos rotors, including part number 980493, are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Street Performance rotors undergo rigorous quality control to ensure consistent thickness and balance. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.