Dynamite Friction 830-03021R Disc Brake Rotor - Rear Right

Reliable Performance with Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-03021R) offers a solid and durable braking solution for Hyundai and Kia vehicles. Designed specifically for models like the Hyundai Sonata, Kia Optima, Azera, and Cadenza, this rotor combines advanced features to maintain consistent braking performance under various driving conditions.

• Disc type: Solid, drilled and slotted surface for improved heat dissipation
• Nominal thickness: 10 mm with a discard thickness of 8.4 mm
• Rust resistant coating to extend rotor life
• Directional brake surface for optimized braking efficiency
• Hat finish in Geospec silver grey for corrosion resistance and aesthetics
• Five bolt holes with a bolt circle diameter of 114.3 mm
• Overall diameter of 283 mm and height of 54.5 mm

Product Line Overview: DFC Geoperformance Rotor - Drilled and Slotted

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction is engineered to provide enhanced braking performance through a combination of drilled holes and precision slots. This design helps reduce brake fade by improving heat dissipation and allowing gases and debris to escape from the rotor surface. The directional surface pattern further supports consistent pad contact and braking response, making it suitable for daily driving and moderate performance needs.

Detailed Product Description

This disc brake rotor is a solid type rotor with a 283 mm outside diameter and a 54.5 mm overall height, designed to meet the exact specifications required for Hyundai and Kia vehicles such as the Sonata, Optima, Azera, and Cadenza. The rotor features a plain disc finish combined with a Geospec silver grey hat finish, which includes a rust resistant coating to help prevent corrosion over time. The drilled and slotted surface type enhances cooling and braking efficiency, while the directional brake surface ensures proper installation orientation for optimal performance. The rotor includes five bolt holes with a 114.3 mm bolt circle diameter and 12.5 mm stud hole diameter, matching factory specifications for secure fitment.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Hyundai Sonata and Kia Optima
• Improves braking performance by reducing heat buildup during heavy braking
• Helps eliminate brake fade caused by gas and dust accumulation
• Addresses rotor corrosion issues with rust resistant coating
• Restores proper braking response and pedal feel for Kia Azera and Hyundai Cadenza

Installation Notes and Tips

Ensure the rotor is installed with the directional surface facing the correct rotation direction as indicated by the manufacturer. Verify that the bolt hole pattern matches the vehicle hub (5 bolts, 114.3 mm bolt circle diameter). It is recommended to inspect brake pads and hardware during installation and replace if necessary to maintain optimal braking performance. Proper torque specifications should be followed to secure the rotor without warping.

Quality Assurance

Dynamite Friction rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and precision machining contribute to long service life and consistent braking performance. Please refer to the product packaging or manufacturer documentation for warranty details specific to part number 830-03021R.