Dynamite Friction 631-91002L Disc Brake Rotor - Front Left

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for reliable braking performance on Scion xA and xB models. Designed with vented construction and a rust-resistant zinc silver hat finish, this rotor balances durability and heat dissipation for consistent stopping power.

• Part Number: 631-91002L
• Compatible with Scion xA and xB models
• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 22 mm; discard thickness: 20 mm
• Rust-resistant zinc silver hat finish and plain disc finish
• Directional brake surface for optimized performance
• 4 bolt holes with 100 mm bolt circle diameter
• Outside diameter: 255 mm; overall height: 43.3 mm

Detailed Product Features and Specifications

This Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver features a vented rotor design that improves heat dissipation during braking, reducing the risk of brake fade. The rotor surface is both drilled and slotted, which helps to evacuate gases, dust, and water, maintaining consistent pad contact and braking efficiency. The directional surface design ensures proper rotation alignment for optimal performance.

The rotor's nominal thickness is 22 mm, with a discard thickness of 20 mm, indicating when replacement is necessary to maintain safety. The rotor's hat is coated with a zinc silver finish to resist corrosion, extending the rotor's service life. The rotor fits vehicles with a 4-bolt pattern and a 100 mm bolt circle diameter, matching the specifications for Scion xA and xB models.

About the DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction is designed to provide enhanced braking performance through improved heat management and surface design. The drilled and slotted features help maintain clean rotor surfaces and reduce brake fade, while the rust-resistant coating protects against corrosion. This product line is suitable for drivers seeking reliable, consistent braking on compatible vehicles such as the Scion xA and xB.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves wet weather braking by channeling water away from the rotor surface
• Minimizes brake dust buildup for cleaner braking components
• Prevents rust and corrosion on the rotor hat for longer durability
• Maintains consistent braking performance on Scion xA and xB vehicles

Installation Notes and Tips

Ensure the rotor is installed with the directional surface rotating correctly according to the vehicle’s wheel rotation. Verify that the bolt hole pattern matches the vehicle’s hub (4 bolts, 100 mm bolt circle diameter). It is recommended to replace brake pads when installing new rotors to ensure optimal braking performance. Always torque bolts to manufacturer specifications and inspect all related brake components during installation.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver to meet industry standards for safety and performance. The rotor includes a rust-resistant coating to extend service life. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to defects and workmanship.