PowerStop AR8636XPR 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 AR8636XPR) is engineered for reliable braking performance on select Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Designed specifically for rear disc brake applications, this rotor set offers enhanced heat dissipation and corrosion resistance to maintain consistent stopping power.

• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, Chevrolet S10, and GMC Sonoma models
• Vented disc brake rotors with drilled and slotted surface for improved heat management
• Zinc plated finish provides rust-resistant coating for extended rotor life
• Nominal thickness ranges from 18.50 mm to 20.00 mm with discard thickness at 18.50 mm
• Overall rotor diameter of 295.00 mm (11.60 inches) and height of 95.40 mm (3.80 inches)
• Mounting bolt hole circle diameter of 120.70 mm with 5 lug holes sized at 4.80 mm

Product Line Details: Power Stop Rear Drilled, Slotted and Zinc Plated Rotors

The Power Stop - Rear Drilled, Slotted and Zinc Plated Brake Rotor Pair is part of a product line designed to enhance braking efficiency through advanced rotor surface technology. The drilled and slotted design helps to reduce brake fade by allowing gases and heat to escape, while the zinc plating offers a protective layer against rust and corrosion. This combination is particularly beneficial for vehicles like the Chevrolet Blazer and GMC Sonoma that may encounter varied driving conditions.

Technical Specifications and Features

This disc brake rotor set features a vented rotor type that improves airflow and cooling during braking. The nominal thickness of the rotors ranges between 18.50 mm and 20.00 mm, with a discard thickness of 18.50 mm, ensuring the rotors maintain structural integrity over time. The overall height measures 95.40 mm (3.80 inches), and the outside diameter is 295.00 mm (11.60 inches), matching OEM specifications for proper fitment. The mounting bolt hole circle diameter is 120.70 mm, accommodating 5 lug holes with a diameter of 4.80 mm, ensuring secure installation on compatible vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Chevrolet Blazer and GMC Jimmy
• Improves braking performance on Isuzu Hombre and Oldsmobile Bravada with vented rotor design
• Addresses rust and corrosion issues with zinc plated coating on Chevrolet S10 and GMC Sonoma
• Reduces brake fade and heat buildup during heavy braking conditions
• Restores proper rotor thickness and surface condition for consistent stopping power

Installation Notes and Tips

When installing the Power Stop AR8636XPR rotor pair, ensure the vehicle is securely lifted and the rear wheels are removed. Clean the hub surface to remove any rust or debris before mounting the new rotors. Verify the rotor thickness is within the specified nominal range and replace if below discard thickness. Use proper torque specifications for lug nuts to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance.

Quality Assurance and Warranty

Power Stop brake rotors are manufactured to meet or exceed OEM standards for durability and performance. The zinc plating provides additional protection against rust, extending the service life of the rotors. 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.