Perfect Stop 662674 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Buick, Chevrolet, GMC, and More

The Perfect Stop Gray Armor-Plate, Premium Disc Brake Rotor (Part Number 662674) is engineered to meet the braking demands of select Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed specifically for vehicles like the Trailblazer, Envoy, Ascender, Bravada, and Rainier, this rotor ensures consistent performance and durability.

• Vented disc brake rotor with smooth surface for efficient heat dissipation
• Outside diameter of 12.008 inches (305.0 mm) for precise fitment
• Nominal thickness of 1.142 inches (29.0 mm) with discard thickness at 1.083 inches (27.5 mm)
• Overall height measures 2.13 inches (54.1 mm) for proper alignment
• Six mounting bolt holes with a bolt circle diameter of 5.0 inches (127.0 mm)
• Center hole diameter of 3.118 inches (79.2 mm) for secure installation
• ABS tone ring not included

About the Gray Armor-Plate, Premium Product Line

The Gray Armor-Plate, Premium line from Perfect Stop focuses on delivering rotors with enhanced surface protection and structural integrity. This product line features rotors with a smooth surface finish and vented design to improve heat management during braking. The premium coating helps resist corrosion, extending the rotor's service life under typical driving conditions.

Technical Details and Specifications

This disc brake rotor is vented to allow better airflow, reducing the risk of brake fade during extended use. The smooth surface type ensures consistent pad contact and braking efficiency. With a nominal thickness of 1.142 inches and a discard thickness of 1.083 inches, this rotor maintains safety standards by indicating when replacement is necessary. The six mounting bolt holes and precise bolt circle diameter ensure compatibility with the specified vehicle models. Note that this rotor does not include an ABS tone ring, so it is intended for vehicles without this feature or where the tone ring is integrated elsewhere.

Compatible Vehicles and Common Applications

• Replacement rotor for Buick Trailblazer and Rainier models
• Suitable for Chevrolet Trailblazer and Envoy vehicles
• Fits GMC Envoy and Ascender models
• Compatible with Isuzu Ascender and Bravada
• Applicable for Oldsmobile Bravada

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the mounting bolt hole pattern and center hole diameter match your vehicle specifications. Since this rotor does not include an ABS tone ring, confirm your vehicle’s ABS system compatibility prior to installation. Proper torque specifications should be followed when securing the rotor to avoid warping or uneven wear.

Quality Assurance and Warranty

Perfect Stop manufactures this Gray Armor-Plate, Premium rotor to meet or exceed OEM standards for fit and function. While specific warranty details are not provided, Perfect Stop products typically undergo rigorous quality control to ensure reliability and performance in braking applications.