PowerStop AR8285EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR8285EVC) is engineered for reliable braking performance on Pontiac GTO models. Designed with a rust-resistant Geomet coating and vented rotor construction, this disc brake rotor offers durability and efficient heat dissipation for rear brake applications.

• Compatible with Pontiac GTO rear brake systems
• Vented disc brake rotor design for improved cooling
• Rust-resistant Geomet coating to prevent corrosion
• Nominal thickness of 0.71 inches with a discard thickness of 0.63 inches
• Overall height of 3.10 inches and outside diameter of 11.30 inches
• Mounting bolt hole circle diameter of 120 mm with 5 lug holes

Detailed Product Features and Specifications

This Power Stop rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under demanding conditions. The Geomet coating provides a protective layer against rust and corrosion, extending the rotor's service life. With a nominal thickness of 0.71 inches and a discard thickness of 0.63 inches (16.00 mm), this rotor maintains structural integrity and safety standards throughout its lifespan. The rotor measures 11.30 inches (285.80 mm) in outside diameter and has an overall height of 3.10 inches (79.50 mm), ensuring proper fitment and compatibility with the rear brake assembly of Pontiac GTO vehicles. The mounting bolt hole circle diameter is 120 mm with 5 lug holes, matching factory specifications for secure installation.

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on providing rotors with advanced corrosion resistance and reliable braking performance. The Geomet coating applied to these rotors offers a durable finish that helps prevent rust buildup, which is especially beneficial for vehicles exposed to moisture and road salts. This line is designed to meet or exceed OEM specifications, making it a suitable replacement option for rear disc brake rotors on compatible vehicles like the Pontiac GTO.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Pontiac GTO
• Addresses brake noise caused by rust or uneven rotor surfaces
• Improves braking consistency by reducing heat-related fade
• Prevents premature rotor corrosion in humid or salty environments
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify that the mounting bolt hole circle diameter and lug hole quantity match the vehicle specifications. It is recommended to inspect brake pads and hardware during rotor replacement to maintain optimal braking system performance. Proper torque specifications should be followed when securing the rotor to avoid warping or uneven wear.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet strict quality standards and OEM fitment requirements. The Geomet coating enhances durability and corrosion resistance, contributing to a longer service life. While specific warranty details are not provided here, Power Stop products typically come with manufacturer-backed warranties covering defects in materials and workmanship.