Dynamite Friction 830-39018L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-39018L) is engineered for Chrysler and Dodge vehicles, including the 300, Challenger, Charger, and Magnum models. This vented disc brake rotor combines drilled and slotted surface features with a rust-resistant coating to enhance braking performance and durability.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 22 mm; discard thickness: 20.5 mm
• Outside diameter: 320 mm; overall height: 67.4 mm
• Bolt hole quantity: 5; bolt hole diameter: 16.7 mm; bolt circle diameter: 115 mm
• Hat finish: Geospec silver grey with rust-resistant coating
• Directional brake surface for optimized heat dissipation
• Center hole diameter: 72.6 mm

Detailed Product Description

The 830-39018L rotor from Dynamite Friction’s DFC Geoperformance Rotor - Drilled and Slotted line is designed to meet the braking demands of Chrysler and Dodge performance vehicles such as the 300, Challenger, Charger, and Magnum. Its vented design improves heat dissipation during braking, reducing the risk of brake fade under heavy use. The rotor’s surface features both drilled holes and slots, which help evacuate gases, dust, and water, maintaining consistent brake pad contact and improving stopping power.

Constructed with a plain disc finish and a Geospec silver grey hat finish, this rotor also includes a rust-resistant coating to extend service life and maintain appearance. The directional brake surface is engineered to optimize airflow and cooling efficiency. With a nominal thickness of 22 mm and a discard thickness of 20.5 mm, this rotor provides a balance between durability and performance. The 5-bolt hole pattern with a 115 mm bolt circle diameter ensures compatibility with specified Chrysler and Dodge models.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves heat dissipation to prevent rotor warping
• Maintains consistent braking performance in wet conditions
• Minimizes brake dust buildup for cleaner wheels
• Resists rust and corrosion for longer rotor life

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 20.5 mm before installation. The rotor is directional; install with the correct orientation to maximize cooling and performance. Verify the 5-lug bolt pattern with a 115 mm bolt circle diameter matches your vehicle’s specifications. Clean the rotor surface before installation to remove any protective coatings or residues. Proper torque specifications should be followed when mounting the rotor to avoid warping.

Quality Assurance

Dynamite Friction manufactures the DFC Geoperformance Rotor - Drilled and Slotted to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and precision machining contribute to consistent braking performance and extended rotor life. Warranty information is available through the manufacturer and should be consulted for specific coverage details.