Perfect Stop 6621041 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 6621041) is engineered for reliable braking performance on select Cadillac and Chevrolet models. Designed specifically for vehicles like the Cadillac Caprice and Chevrolet CTS, this vented rotor offers precise fitment and consistent stopping power.

• Compatible with Cadillac Caprice and Chevrolet CTS models
• Vented disc brake rotor with smooth surface finish
• Outside diameter: 13.575 inches (344.8 mm)
• Nominal thickness: 1.181 inches (30.0 mm)
• Discard thickness: 1.122 inches (28.5 mm)
• Overall height: 2.012 inches (51.1 mm)
• Five mounting bolt holes with 4.724 inch (120.0 mm) bolt circle diameter
• Center hole diameter: 2.654 inches (67.4 mm)
• ABS tone ring not included

Product Line Details: Gray Armor-Plate, Premium

The Gray Armor-Plate, Premium line from Perfect Stop focuses on delivering durable rotors with enhanced surface protection. This product line features a premium coating designed to resist corrosion and extend rotor life, making it suitable for drivers seeking dependable braking components for their Cadillac Caprice or Chevrolet CTS. The vented design improves heat dissipation, helping maintain braking efficiency under demanding conditions.

Technical Specifications and Features

This disc brake rotor is vented to optimize airflow and reduce heat buildup during braking. The smooth surface finish ensures consistent pad contact and braking response. With a nominal thickness of 1.181 inches (30.0 mm) and a discard thickness of 1.122 inches (28.5 mm), this rotor meets precise wear limits for safe operation. The overall height of 2.012 inches (51.1 mm) and the five mounting bolt holes arranged on a 4.724 inch (120.0 mm) bolt circle diameter provide exact fitment for the specified vehicle models. The center hole diameter of 2.654 inches (67.4 mm) ensures proper alignment on the hub.

Applications and Problem Solving

• Replacement for worn or warped rotors on Cadillac Caprice and Chevrolet CTS
• Addresses brake pulsation caused by uneven rotor surfaces
• Helps reduce brake fade by improving heat dissipation with vented design
• Prevents corrosion-related rotor damage with Gray Armor-Plate coating
• Restores braking performance and safety to factory specifications

Installation Notes and Tips

Ensure the rotor is compatible with your vehicle’s make and model before installation. Clean the hub surface to remove rust or debris for proper rotor seating. Torque mounting bolts to manufacturer specifications to avoid rotor warping. Since this rotor does not include an ABS tone ring, verify your vehicle’s ABS sensor compatibility. Inspect brake pads and hardware during installation for optimal braking system performance.

Quality Assurance

Perfect Stop rotors undergo rigorous quality control to meet OEM standards. The Gray Armor-Plate, Premium rotors are manufactured to precise dimensional tolerances to ensure proper fit and function. While specific warranty details are not provided, Perfect Stop products are designed to meet or exceed industry requirements for durability and performance.