Perfect Stop 6620758 Disc Brake Rotor - Rear

Overview of Perfect Stop Gray Armor-Plate Premium Rotor

The Perfect Stop Gray Armor-Plate, Premium disc brake rotor (part number 6620758) is engineered for reliable braking performance. Designed with vented construction and a smooth surface, this rotor supports effective heat dissipation and consistent stopping power for various vehicle applications.

• Part Number: 6620758
• Brand Line: Gray Armor-Plate, Premium
• Rotor Type: Vented disc brake rotor
• Outside Diameter: 395.0 mm (15.551 inches)
• Overall Height: 123.9 mm (4.878 inches)
• Nominal Thickness: 38.0 mm (1.496 inches)
• Discard Thickness: 36.0 mm (1.417 inches)
• Mounting Bolt Hole Quantity: 10
• Mounting Bolt Hole Circle Diameter: 163.0 mm (6.417 inches)
• Center Hole Diameter: 139.5 mm (5.492 inches)
• ABS Tone Ring Included
• Surface Type: Smooth

Detailed Product Description

This Perfect Stop disc brake rotor features a vented design that enhances airflow to reduce heat buildup during braking, helping to maintain consistent performance and reduce the risk of brake fade. The smooth surface finish ensures even pad contact and wear. With a nominal thickness of 38.0 mm and a discard thickness of 36.0 mm, this rotor provides a clear service life indicator to maintain safety standards. The rotor’s 10 mounting bolt holes and 163.0 mm bolt hole circle diameter allow for secure installation on compatible vehicles. Additionally, the included ABS tone ring supports anti-lock braking system functionality for improved vehicle control.

The Gray Armor-Plate, Premium line from Perfect Stop is designed to offer enhanced corrosion resistance and durability. This product line incorporates a protective coating that helps prevent rust and extends rotor life, making it suitable for vehicles operating in varied environmental conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading corroded rotors to improve braking smoothness
• Addressing rotor thickness below manufacturer discard limits
• Restoring ABS functionality with included tone ring
• Reducing brake fade in vehicles with heavy braking demands

Installation Notes and Tips

Ensure the rotor mounting surface is clean and free of debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. Use a calibrated torque wrench to tighten bolts to manufacturer-recommended torque values. Inspect brake pads for wear and replace if necessary to ensure optimal rotor performance. The included ABS tone ring should be handled carefully to avoid damage during installation.

Quality Assurance and Warranty

Perfect Stop Gray Armor-Plate, Premium rotors are manufactured to meet or exceed OEM specifications. The protective coating enhances corrosion resistance, contributing to longer service life. While specific warranty details are not provided, Perfect Stop products typically undergo rigorous quality control to ensure reliability and safety in braking applications.