PowerStop AR8259EVC Disc Brake Rotor - Front Left

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR8259EVC) is engineered for reliable braking performance on select Cadillac and Chevrolet vehicles. Designed specifically for the Corvette and XLR models, this vented disc brake rotor offers durability and corrosion resistance to maintain optimal stopping power.

• Compatible with Cadillac Corvette and Chevrolet XLR front brake systems
• Vented rotor design for improved heat dissipation
• Nominal thickness of 1.26 inches (31.90 mm) with discard thickness at 1.19 inches (30.30 mm)
• Rust resistant Geomet coating for extended rotor life
• Outside diameter measures 12.80 inches (325.00 mm)
• Mounting bolt hole circle diameter of 120.70 mm with 5 lug holes
• Overall height of 1.80 inches (45.50 mm)

Detailed Product Description

This Power Stop rotor is a vented disc type, designed to enhance cooling during braking and reduce the risk of brake fade. The rotor’s nominal thickness is 1.26 inches (31.90 mm), with a discard thickness of 1.19 inches (30.30 mm), ensuring it meets precise wear limits for safe operation. The Geomet coating provides a rust-resistant surface that helps prevent corrosion, which is especially beneficial for vehicles exposed to moisture and road salts. With an outside diameter of 12.80 inches (325.00 mm) and an overall height of 1.80 inches (45.50 mm), this rotor fits the front brake assemblies of Cadillac Corvette and Chevrolet XLR models equipped with a 5-lug wheel pattern and a mounting bolt hole circle diameter of 120.70 mm.

About the Power Stop - Front Genuine Geomet Coated Rotor Line

The Power Stop - Front Genuine Geomet Coated Rotor product line focuses on providing rotors with a factory-style Geomet coating that offers enhanced corrosion resistance without compromising braking performance. This coating is applied to the rotor surface to protect against rust and extend the rotor’s service life, making it a practical choice for drivers seeking reliable front brake components for their Cadillac Corvette or Chevrolet XLR.

Common Applications and Problem Solving

• Replacement for worn or warped front rotors on Cadillac Corvette and Chevrolet XLR
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust buildup that can reduce braking efficiency
• Improves heat dissipation to reduce brake fade during aggressive driving
• Restores proper rotor thickness for safe and consistent braking

Installation Notes and Tips

Ensure the rotor mounting surface and hub are clean and free of debris before installation. Verify the rotor thickness is within specifications before mounting. Use proper torque settings on lug nuts to avoid rotor warping. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance.

Quality Assurance

Power Stop rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Geomet coating provides additional protection against corrosion, contributing to longer rotor life. While specific warranty details are not provided, Power Stop products are known for consistent quality and durability in automotive braking applications.