Raybestos 980494 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980494 is engineered for Lexus IS250 models requiring reliable braking performance. This vented rotor is designed to maintain optimal thickness and heat dissipation for consistent stopping power under street driving conditions.

• Compatible with Lexus IS250
• Part number 980494
• Vented disc brake rotor for improved cooling
• Overall diameter: 11.654 inches (296 mm)
• Nominal thickness: 1.102 inches (28 mm)
• Discard thickness: 1.024 inches (26 mm)
• Five mounting bolt holes with 114.3 mm bolt circle diameter
• Center hole diameter: 2.441 inches (62 mm)
• Conventional rotor type with drum-in-hat design

Detailed Product Specifications

This Raybestos disc brake rotor, part number 980494, features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The rotor’s nominal thickness of 1.102 inches (28 mm) ensures durability and consistent performance, while the discard thickness of 1.024 inches (26 mm) indicates the minimum safe thickness for replacement. The rotor measures 11.654 inches (296 mm) in outside diameter and has an overall height of 1.933 inches (49.1 mm). It includes five mounting bolt holes arranged on a 114.3 mm bolt circle diameter, compatible with the Lexus IS250’s hub assembly. The center hole diameter is 2.441 inches (62 mm), ensuring proper fitment and alignment.

About the Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line is designed to meet the demands of street-driven vehicles like the Lexus IS250. This product line focuses on delivering rotors that balance performance and durability for everyday driving conditions. The vented rotor design in this line helps maintain cooler operating temperatures, which is essential for consistent braking response and rotor longevity.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus IS250
• Improves heat dissipation to reduce brake fade during street driving
• Restores proper rotor thickness for safe braking performance
• Addresses vibration or pulsation issues caused by uneven rotor surfaces
• Compatible upgrade for maintaining OEM braking specifications

Installation Notes and Tips

When installing the Raybestos 980494 rotor on a Lexus IS250, ensure the mounting surface is clean and free of rust or debris to promote proper rotor seating. Torque the five mounting bolts to manufacturer specifications to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance. Verify rotor thickness before installation to confirm it meets or exceeds discard thickness limits.

Quality Assurance and Warranty

Raybestos rotors undergo rigorous quality control to meet industry standards for fit, form, and function. The Specialty - Street Performance rotors are manufactured to provide consistent braking performance and durability. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.