Dynamite Friction 631-42029R Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for Jeep Wrangler and Wrangler JK models requiring reliable braking performance. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Part Number: 631-42029R
• Compatible with Jeep Wrangler and Wrangler JK
• Solid rotor with drilled and slotted surface
• Nominal thickness: 12 mm; discard thickness: 10.4 mm
• Rust resistant zinc silver hat finish
• 5 bolt holes with 16.6 mm diameter and 127 mm bolt circle diameter
• Overall diameter: 316 mm; height: 76.5 mm
• Directional brake surface for optimized performance

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 to improve brake pad bite and heat dissipation. This product line is designed to reduce brake fade and maintain consistent braking under demanding conditions, making it suitable for off-road and daily driving applications on Jeep Wrangler and Wrangler JK vehicles.

Detailed Product Description

This disc brake rotor is constructed as a solid rotor with a plain disc finish and a zinc silver coated hat to resist rust and corrosion. The rotor measures 316 mm in outside diameter and 76.5 mm in height, with a nominal thickness of 12 mm and a discard thickness of 10.4 mm, ensuring durability and longevity. The drilled and slotted surface is directional, which helps channel away gases and debris while improving pad contact. The rotor features five bolt holes with a diameter of 16.6 mm and a bolt circle diameter of 127 mm, matching the stud/lug hole pattern for secure fitment on Jeep Wrangler and Wrangler JK models.

Applications and Problem Solving

• Replaces worn or warped brake rotors on Jeep Wrangler and Wrangler JK
• Improves heat dissipation to reduce brake fade during heavy braking
• Enhances braking performance in wet or muddy conditions with slotted and drilled design
• Prevents rust and corrosion with zinc silver coated hat finish
• Maintains consistent braking response for off-road and street use

Installation Notes and Tips

Ensure the rotor surface is clean and free of any protective coatings before installation. Verify bolt hole alignment with the vehicle’s hub using the 5-bolt, 127 mm bolt circle pattern. Use proper torque specifications for lug nuts to avoid rotor warping. Directional rotors must be installed with the correct rotation direction as indicated by the rotor design to maintain optimal performance.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for Jeep Wrangler and Wrangler JK vehicles. The rust resistant coating and precise machining contribute to long service life. Warranty information is available through the manufacturer and should be confirmed at the time of purchase.