Dynamite Friction 631-42030R Disc Brake Rotor - Front Right

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-42030R) is engineered for Jeep Wrangler and Wrangler JK models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with Jeep Wrangler and Wrangler JK
• Directional slotted and drilled surface for improved brake response
• Vented rotor design for efficient heat dissipation
• Rust-resistant zinc silver hat finish
• Nominal thickness of 28 mm with discard thickness at 26.4 mm
• 5 bolt holes with 16.6 mm diameter and 127 mm bolt circle diameter
• Overall diameter of 302 mm and height of 55 mm

Detailed Product Features and Specifications

This Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented rotor design that helps reduce heat buildup during braking, which is critical for maintaining consistent stopping power on Jeep Wrangler and Wrangler JK vehicles. The rotor’s surface is both drilled and slotted, providing enhanced brake pad bite and aiding in the removal of brake dust and gases. The directional brake surface ensures optimal performance when installed correctly.

The rotor has a nominal thickness of 28 mm and a discard thickness of 26.4 mm, indicating when replacement is necessary to maintain safety and performance. The zinc silver coating on the rotor hat offers rust resistance, extending the rotor’s service life in various driving conditions. With 5 bolt holes sized at 16.6 mm diameter and a bolt circle diameter of 127 mm, this rotor matches the factory specifications for Jeep Wrangler and Wrangler JK models.

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 with a rust-resistant finish. This product line is designed to provide reliable braking performance with improved heat dissipation and debris removal, making it suitable for off-road and street use on compatible Jeep models. The silver zinc coating on the rotor hat enhances corrosion resistance without compromising structural integrity.

Common Applications and Problem Solving

• Improves braking performance on Jeep Wrangler and Wrangler JK vehicles
• Reduces brake fade caused by excessive heat buildup
• Helps prevent rotor warping and cracking under heavy use
• Minimizes brake dust accumulation for cleaner braking surfaces
• Provides corrosion resistance to extend rotor lifespan

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented correctly according to the vehicle’s rotation. Verify that the bolt hole pattern (5 holes, 16.6 mm diameter, 127 mm bolt circle) matches the vehicle hub. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance. Always torque lug nuts to manufacturer specifications and inspect related brake components during installation.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-42030R rotor to meet or exceed OEM specifications for Jeep Wrangler and Wrangler JK models. The rust-resistant zinc silver finish and vented rotor design contribute to durability and consistent performance. Warranty details should be confirmed with the product documentation or supplier, as they may vary.