PowerStop AR8234EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number AR8234EVC) is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed specifically for vehicles like the Buick Skylark and Chevrolet Cavalier, this vented disc brake rotor offers durability and corrosion resistance for consistent stopping power.

• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to prevent corrosion
• Nominal thickness of 20.40 mm with a discard thickness of 18.70 mm
• Outside diameter of 259.00 mm (10.20 inches) for precise fitment
• Five stud/lug hole configuration with 100 mm bolt circle diameter
• Overall height of 48.00 mm (1.90 inches) ensuring proper rotor alignment

Detailed Product Description

This Power Stop rotor is a vented type, which helps reduce brake fade by allowing better airflow and heat dissipation during braking. The Geomet coating provides a protective layer that resists rust and corrosion, extending the rotor's service life especially in harsh weather conditions. With a nominal thickness of 20.40 mm and a discard thickness of 18.70 mm, this rotor maintains structural integrity and safety standards throughout its lifespan. The 5-lug hole pattern with a 100 mm bolt circle diameter ensures compatibility with specific front wheel assemblies on Buick Achieva, Chevrolet Corsica, Oldsmobile Cutlass Calais, Pontiac Grand Am, and other models listed.

About the Power Stop - Front Genuine Geomet Coated Rotor Line

The Power Stop - Front Genuine Geomet Coated Rotor product line focuses on delivering rotors with enhanced corrosion resistance and reliable performance. The Geomet coating technology used in this line provides a durable finish that protects the rotor surface from rust without compromising braking efficiency. This line is designed to meet or exceed OEM specifications, making it a suitable replacement for original equipment on compatible vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped front disc brake rotors
• Addresses brake noise caused by rust buildup on rotor surfaces
• Improves braking consistency in vehicles experiencing fade due to heat
• Restores proper rotor thickness to maintain safe braking distances
• Prevents premature rotor corrosion in humid or salty environments

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (18.70 mm) before installation
• Clean hub surface to prevent rotor runout and vibration
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Follow vehicle-specific service manual for proper installation procedures

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Geomet coating enhances corrosion resistance, contributing to longer rotor life. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty against defects in materials and workmanship. Refer to the manufacturer’s documentation for complete warranty information.