PowerStop AR8655EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR8655EVC) is engineered for reliable braking performance on heavy-duty Chevrolet and GMC trucks and vans. Designed specifically for front disc brake applications, this rotor offers durability and corrosion resistance to meet the demands of vehicles like the Silverado 2500 HD and Sierra 3500 HD.

• Compatible with Chevrolet Avalanche 2500, Express 2500/3500, and GMC Sierra 2500/3500 HD models
• Part Number: AR8655EVC
• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to reduce corrosion
• Nominal thickness of 38.10 mm with a discard thickness of 36.50 mm
• Outside diameter of 325 mm (12.80 inches)
• Mounting bolt hole circle diameter of 165.10 mm with 8 lug holes
• Overall height approximately 89 mm (3.50 inches)

Detailed Rotor Specifications and Features

This Power Stop rotor features a vented design that enhances cooling during braking, helping to maintain consistent performance under heavy loads. The Geomet coating provides a protective layer against rust and corrosion, extending the rotor's service life, especially in harsh weather conditions. With a nominal thickness of 38.10 mm and a discard thickness of 36.50 mm, this rotor meets OEM specifications for thickness and wear limits. The 325 mm outside diameter and 165.10 mm bolt circle diameter ensure proper fitment on compatible Chevrolet and GMC models. The rotor includes 8 stud/lug holes, matching the wheel hub configuration of the specified vehicles.

Power Stop - Front Genuine Geomet Coated Rotor Product Line

The Power Stop - Front Genuine Geomet Coated Rotor line focuses on providing rotors with advanced corrosion resistance and durability. The Geomet coating technology used in this product line offers a uniform protective finish that helps prevent rust buildup without compromising braking performance. This product line is designed to meet or exceed OEM standards, making it suitable for heavy-duty applications such as those found in Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD trucks.

Common Applications and Problem Solving

• Replacement for worn or warped front disc brake rotors on Chevrolet and GMC heavy-duty trucks
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent rust and corrosion-related rotor damage in wet or salty environments
• Improves heat dissipation to reduce brake fade during towing or heavy hauling
• Restores braking performance on vehicles with reduced rotor thickness

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (36.50 mm) before installation
• Clean hub surface to ensure proper rotor seating and prevent runout
• Torque lug nuts to manufacturer specifications for Chevrolet and GMC models
• Inspect brake pads and replace if worn to maintain optimal braking
• Follow vehicle-specific service manual for front rotor replacement procedures

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet OEM quality standards and undergo rigorous testing for durability and performance. The Geomet coating enhances corrosion resistance, contributing to longer rotor life. While specific warranty details for part number AR8655EVC should be confirmed with the manufacturer, Power Stop typically offers limited warranties covering defects in materials and workmanship.