PowerStop AR82155XPR 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 AR82155XPR) is engineered for reliable braking performance on heavy-duty trucks. Designed specifically for Chevrolet and GMC models, this disc brake rotor set offers enhanced heat dissipation and corrosion resistance for demanding driving conditions.

• Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, and Suburban 3500 HD
• Vented rotor design for improved cooling
• Slotted and drilled surface to reduce brake fade and improve pad bite
• Zinc plating provides rust-resistant coating for extended rotor life
• Nominal thickness of 34.10 mm with discard thickness at 32.50 mm
• Overall diameter of 360 mm (14.20 inches) and 8 lug holes with 180 mm bolt circle diameter

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 Power Stop's specialized product line designed to enhance braking efficiency and durability. This line features rotors with a vented design and a slotted x drilled surface type, which helps maintain optimal braking performance by dissipating heat and reducing debris buildup. The zinc plating adds a protective layer against rust, making these rotors suitable for trucks exposed to harsh environments.

Technical Specifications and Features

This disc brake rotor set includes two rotors with an overall height of 119.20 mm and a nominal thickness of 34.10 mm, ensuring compatibility with the rear braking system of select Chevrolet and GMC heavy-duty trucks. The vented rotor design improves airflow to reduce heat buildup during braking, while the drilled and slotted surface enhances pad contact and helps prevent brake fade. The zinc plating coating protects the rotors from corrosion, extending their service life in various weather conditions.

Applications and Problem Solving

• Replacement for worn or warped rear brake rotors on Chevrolet Silverado 2500 HD and 3500 HD
• Improves braking performance on GMC Sierra 2500 HD and 3500 HD under heavy load conditions
• Reduces brake fade and overheating during towing or hauling with Suburban 3500 HD
• Prevents rust and corrosion in areas with high moisture or road salt exposure
• Restores braking efficiency for vehicles experiencing vibration or noise from rear rotors

Installation Notes and Tips

• Ensure rotor discard thickness of 32.50 mm is not exceeded before installation
• Verify compatibility with vehicle lug pattern: 8 lug holes on a 180 mm bolt circle diameter
• Clean hub surface before mounting to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads for wear and replace if necessary to maximize rotor performance

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM specifications for durability and performance. The zinc plating provides additional corrosion resistance to extend rotor life. While specific warranty details for part number AR82155XPR should be confirmed with the manufacturer or distributor, Power Stop products typically come with a limited warranty covering defects in materials and workmanship.