Perfect Stop 6621523 Disc Brake Rotor - Front

Overview of Perfect Stop Gray Armor-Plate, Premium Disc Brake Rotor

The Perfect Stop Gray Armor-Plate, Premium disc brake rotor (part number 6621523) is engineered for Jeep Wrangler and Wrangler JK models. Designed to meet specific fitment requirements, this vented rotor offers reliable braking performance with precise dimensions tailored for these vehicles.

• Compatible with Jeep Wrangler and Wrangler JK models
• Vented disc brake rotor design for improved heat dissipation
• Outside diameter of 13.071 inches (332.0 mm)
• Nominal thickness of 1.102 inches (28.0 mm) with discard thickness at 1.039 inches (26.4 mm)
• Overall height measures 2.177 inches (55.3 mm)
• Five mounting bolt holes with a 5.0 inch (127.0 mm) bolt circle diameter
• Center hole diameter of 2.837 inches (72.05 mm)
• Smooth surface type for consistent pad contact
• ABS tone ring not included

Details on the Gray Armor-Plate, Premium Product Line

The Gray Armor-Plate, Premium line by Perfect Stop focuses on delivering durable and precise brake components designed for specific vehicle applications. This product line emphasizes quality materials and manufacturing standards to ensure consistent rotor thickness and dimensions, which are critical for maintaining proper braking performance and safety on Jeep Wrangler and Wrangler JK models.

Technical Specifications and Features

This disc brake rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade. The rotor’s nominal thickness of 1.102 inches (28.0 mm) and discard thickness of 1.039 inches (26.4 mm) provide clear service limits for maintenance. The overall height of 2.177 inches (55.3 mm) and outside diameter of 13.071 inches (332.0 mm) ensure proper fitment and compatibility with the specified Jeep models. The rotor includes five mounting bolt holes arranged on a 5.0 inch (127.0 mm) bolt circle diameter, with a center hole diameter of 2.837 inches (72.05 mm). The smooth surface type supports even brake pad wear and consistent braking response.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Jeep Wrangler and Wrangler JK
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Helps restore proper braking performance and pedal feel
• Prevents overheating and brake fade with vented rotor design
• Ensures safe stopping distances by maintaining correct rotor thickness

Installation Notes and Tips

When installing the Perfect Stop Gray Armor-Plate, Premium disc brake rotor (part number 6621523), ensure the rotor surface is clean and free of any contaminants before mounting. Verify the rotor thickness is above the discard limit of 1.039 inches (26.4 mm) to maintain safety standards. Use the correct torque specifications for the five mounting bolts on the 5.0 inch (127.0 mm) bolt circle diameter. This rotor does not include an ABS tone ring, so confirm compatibility with your vehicle’s ABS system if applicable.

Quality Assurance and Warranty

Perfect Stop manufactures the Gray Armor-Plate, Premium rotors to meet or exceed OEM specifications for Jeep Wrangler and Wrangler JK models. Each rotor undergoes quality control checks to ensure dimensional accuracy and surface finish. While specific warranty details are not provided, Perfect Stop products typically adhere to industry standards for durability and performance.