Perfect Stop 662088 Disc Brake Rotor - Front

Overview of Perfect Stop Gray Armor-Plate Premium Rotor

The Perfect Stop Gray Armor-Plate, Premium disc brake rotor (Part Number 662088) is engineered for reliable braking performance on select Audi and Volkswagen models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and braking efficiency for vehicles such as the Audi A4 Quattro and Volkswagen Passat.

• Vented disc brake rotor for improved cooling
• Overall diameter of 11.339 inches (288.0 mm)
• Nominal thickness of 0.984 inches (25.0 mm)
• Discard thickness at 0.906 inches (23.0 mm)
• Five mounting bolt holes with a 4.409 inch (112.0 mm) bolt circle diameter
• Center hole diameter of 2.677 inches (68.0 mm)
• Compatible with ABS systems (tone ring not included)
• Smooth surface type for consistent pad contact

Gray Armor-Plate, Premium Product Line Details

The Gray Armor-Plate, Premium line from Perfect Stop focuses on delivering durable rotors with enhanced surface protection and structural integrity. This product line is designed to resist corrosion and wear, extending rotor life while maintaining precise braking performance. The 662088 rotor benefits from this advanced plating technology, making it suitable for daily driving and moderate performance demands on Audi and Volkswagen vehicles.

Technical Specifications and Compatibility

This vented rotor features an overall height of 1.823 inches (46.3 mm), which supports effective heat dissipation during braking. The nominal thickness of 0.984 inches (25.0 mm) ensures structural strength, while the discard thickness of 0.906 inches (23.0 mm) indicates the minimum safe thickness before replacement is necessary. The rotor includes five mounting bolt holes arranged on a 4.409 inch (112.0 mm) bolt circle diameter, compatible with specific Audi and Volkswagen models including the Audi 100, 100 Quattro, A4, A4 Quattro, A6, A6 Quattro, Passat, and RS4.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer specifications
• Improving braking performance on Audi A4 Quattro and Volkswagen Passat
• Reducing brake noise and vibration from uneven rotor surfaces
• Ensuring compatibility with vehicles requiring vented rotors for heat management

Installation Notes and Tips

When installing the Perfect Stop 662088 rotor, ensure the mounting surface is clean and free of debris to maintain proper rotor alignment. Verify the rotor thickness before installation to confirm it meets or exceeds discard thickness specifications. This rotor does not include an ABS tone ring, so confirm your vehicle’s ABS sensor compatibility. Torque mounting bolts to manufacturer specifications to avoid rotor warping.

Quality Assurance and Warranty

Perfect Stop rotors undergo rigorous quality control to meet OEM standards for fit and function. The Gray Armor-Plate, Premium rotors are designed to provide consistent braking performance and corrosion resistance. Warranty details should be confirmed with the product documentation or manufacturer, as they may vary by application.