Dynamite Friction 631-76163L Disc Brake Rotor - Rear Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers reliable braking performance for select Lexus and Toyota models. Designed with a directional slotted and drilled surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.

• Part Number: 631-76163L
• Disc Type: Drilled and slotted directional surface
• Outside Diameter: 335 mm
• Nominal Thickness: 20 mm with a discard thickness of 18.5 mm
• Hat Finish: Zinc silver coating for corrosion resistance
• Rust Resistant Coating: Yes
• Bolt Hole Quantity: 6 with a bolt circle diameter of 139.7 mm
• Center Hole Diameter: 97 mm
• Height: 58.8 mm

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is engineered to meet the braking demands of vehicles such as the Lexus GX550, LX600, LX700h, and Toyota 4Runner, Tacoma, Tundra, Sequoia, and Land Cruiser. The rotor features a directional surface with both drilled holes and slots, which work together to improve brake pad bite and help evacuate gases, dust, and water from the braking surface. The zinc silver hat finish and rust-resistant coating extend the rotor’s service life by protecting against corrosion. With a nominal thickness of 20 mm and a discard thickness of 18.5 mm, this rotor maintains structural integrity and performance throughout its lifespan. The 6-bolt hole design with a 139.7 mm bolt circle diameter ensures proper fitment and secure mounting on compatible vehicles.

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots for enhanced braking efficiency and heat management. This product line is designed to provide consistent braking performance while reducing the risk of brake fade during heavy use. The silver zinc coating on the rotor hat adds corrosion resistance, making it suitable for vehicles exposed to various weather conditions.

Common Applications and Problem Solving

• Improves braking performance on Lexus GX550 and Toyota Tundra models
• Reduces brake fade during heavy or prolonged braking
• Helps prevent rotor warping caused by excessive heat buildup
• Minimizes rust and corrosion on the rotor surface
• Enhances pad bite and braking response in wet or dusty conditions

Installation Notes and Tips

Ensure the rotor is compatible with your vehicle’s make and model before installation. The 6-bolt hole pattern and 139.7 mm bolt circle diameter must match the hub assembly. Clean the rotor surface of any protective coatings or oils before mounting to ensure optimal pad contact. Follow manufacturer torque specifications for lug nuts to avoid rotor distortion. It is recommended to replace brake pads when installing new rotors to maintain balanced braking performance.

Quality Assurance

Dynamite Friction manufactures the 631-76163L rotor to meet industry standards for durability and performance. The rust-resistant coating and zinc silver hat finish contribute to long-term reliability. While specific warranty details are not provided, this rotor is designed to maintain consistent braking characteristics throughout its service life when installed and maintained properly.