PowerStop AR8658XPR Disc Brake Rotor Set - Rear

Power Stop Rear Drilled, Slotted and Zinc Plated Brake Rotor Pair Overview

The Power Stop - Rear Drilled, Slotted and Zinc Plated Brake Rotor Pair (Part Number AR8658XPR) is engineered for reliable braking performance on select GM trucks and SUVs. Designed specifically for rear axle applications, this disc brake rotor set offers enhanced heat dissipation and corrosion resistance to maintain consistent stopping power.

• Compatible with Cadillac, Chevrolet, and GMC models including Escalade, Sierra 1500, Silverado 1500, Suburban 1500, Tahoe, Yukon, and related variants
• Vented rotor design with drilled and slotted surface for improved cooling and brake pad bite
• Zinc plated finish provides rust resistance for extended rotor life
• Nominal thickness of 20.00 mm and discard thickness of 18.50 mm ensure durability and safe replacement intervals
• Overall diameter of 345 mm (13.60 inches) with 6 lug holes and 139.70 mm bolt circle diameter for precise fitment

Detailed Product Features and Specifications

This Power Stop rotor pair features a vented design that promotes airflow to reduce heat buildup during braking, which helps prevent brake fade. The drilled and slotted surface pattern enhances pad cleaning and gas venting, improving braking response under heavy use. The zinc plating on the rotors offers a protective layer against rust and corrosion, which is especially beneficial for vehicles exposed to moisture and road salt.

With an overall height of 85.40 mm and a mounting bolt hole circle diameter of 139.70 mm, these rotors are engineered to match the exact specifications required for rear brake systems on compatible GM trucks and SUVs. The 6 stud/lug hole configuration ensures secure mounting and compatibility with factory hardware.

About the Power Stop - Rear Drilled, Slotted and Zinc Plated Brake Rotor Pair Line

The Power Stop - Rear Drilled, Slotted and Zinc Plated Brake Rotor Pair product line focuses on delivering rotors that combine performance features such as vented construction, drilled and slotted surfaces, and corrosion-resistant zinc plating. This line is designed to meet the demands of rear brake applications on heavy-duty and full-size vehicles, providing a balance of durability and effective heat management.

Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Cadillac Escalade and Escalade ESV
• Upgrading rear braking components on Chevrolet Silverado 1500 and Sierra 1500 for improved heat dissipation
• Addressing brake noise and vibration issues caused by uneven rotor surfaces on GMC Yukon XL and Suburban 1500
• Preventing rust and corrosion damage on rear rotors exposed to harsh weather conditions
• Maintaining consistent braking performance on heavy-duty trucks like the Chevrolet Avalanche and GMC Sierra 1500 Limited

Installation Notes and Tips

• Ensure rotor discard thickness of 18.50 mm is not exceeded before installation
• Clean mounting surfaces and inspect hub for damage prior to rotor installation
• Use proper torque specifications for the 6 lug nuts to secure the rotor
• Check brake pads for wear and replace if necessary to optimize rotor performance
• Follow manufacturer guidelines for bedding in new rotors and pads

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The zinc plating process enhances corrosion resistance, contributing to longer service life. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.