Raybestos 980185 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980185 is engineered for Lexus LS430 models requiring reliable braking performance. This vented rotor is designed to maintain optimal heat dissipation and consistent stopping power under street driving conditions.

• Compatible with Lexus LS430
• Part number 980185
• Vented disc brake rotor for improved cooling
• Overall diameter: 12.402 inches (315 mm)
• Nominal thickness: 1.181 inches (30 mm)
• Discard thickness: 1.102 inches (28 mm)
• Mounting bolt hole quantity: 5 with 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter: 2.441 inches (62 mm)
• Conventional rotor type

Detailed Product Specifications

This Raybestos disc brake rotor features a vented design to enhance heat dissipation during braking, reducing the risk of brake fade. The rotor has an outside diameter of 12.402 inches (315 mm) and a nominal thickness of 1.181 inches (30 mm), ensuring compatibility with the Lexus LS430 braking system. The discard thickness is 1.102 inches (28 mm), indicating the minimum allowable thickness before replacement is necessary. The rotor includes five mounting bolt holes arranged on a 4.5 inch (114.3 mm) bolt circle diameter, with a center hole diameter of 2.441 inches (62 mm). This conventional rotor type is designed for direct replacement applications.

About the Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors and brake components tailored for street-driven vehicles that demand consistent performance. This product line balances durability and heat management, making it suitable for daily driving and moderate performance use. The 980185 rotor exemplifies this approach by combining vented rotor technology with precise fitment for the Lexus LS430.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus LS430
• Improves braking consistency under normal street driving conditions
• Addresses brake fade caused by heat buildup
• Restores proper rotor thickness for safe braking performance
• Compatible upgrade for maintaining factory brake specifications

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard thickness of 1.102 inches (28 mm) to maintain safety standards. Use proper torque specifications for the five mounting bolts on the 4.5 inch (114.3 mm) bolt circle diameter. It is recommended to inspect brake pads and hardware during rotor replacement to ensure optimal braking system performance.

Quality Assurance and Warranty

Raybestos rotors undergo rigorous quality control to meet OEM 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 by region.