R1 Concepts Drilled & Slotted Brake Rotor

2005–2024 Chrysler 300 / Dodge Challenger / Dodge Charger Rear Left

Part #: 631-39018L

Overview

The R1 Concepts Drilled & Slotted Brake Rotor is engineered specifically for the rear left position on a wide range of Chrysler 300, Dodge Challenger, and Dodge Charger models spanning from 2005 through 2024. Designed to enhance braking performance and reliability, this rotor is an excellent upgrade for enthusiasts and daily drivers alike who demand consistent stopping power and improved heat dissipation. Its silver finish not only provides corrosion resistance but also adds a clean, performance-oriented look to your braking system.

Whether you drive a 5.7L Hemi, 3.6L V6, 3.5L V6, or the powerful 6.4L 392 engine, this rotor fits precisely to maintain OEM specifications while delivering enhanced braking confidence under various driving conditions.

Key Features

R1 Concepts’ drilled and slotted rotors combine advanced design elements to improve braking efficiency and rotor longevity. Key features include:

• Drilled holes for superior heat dissipation and reduced brake fade during aggressive braking
• Precision-machined slots to help remove brake dust, water, and gases for consistent pad contact
• Durable silver coating to resist rust and corrosion, extending rotor life
• Optimized for rear left installation, ensuring perfect fitment and performance
• Compatible with a broad range of Chrysler 300, Dodge Challenger, Dodge Charger, and Dodge Magnum models from 2005 to 2024
• Manufactured to meet or exceed OEM quality standards for safety and reliability
• Improved braking response and pedal feel for enhanced driver control

Construction & Design

Constructed from high-grade cast iron, the R1 Concepts rotor is engineered for durability and thermal stability. The drilled holes and slots are strategically placed to maximize cooling efficiency and reduce the risk of warping under high-stress conditions. The silver finish not only enhances corrosion resistance but also helps maintain a clean appearance over time, even in harsh weather environments. This rotor is precision balanced and machined to exacting tolerances to ensure smooth operation and minimal vibration.

Installation & Fitment

Designed as a direct replacement for the rear left brake rotor, this R1 Concepts rotor installs easily with no modifications required. It fits a wide range of Chrysler and Dodge vehicles equipped with various V6 and Hemi engines, including the Chrysler 300 (2005–2024), Dodge Challenger (2008–2023), Dodge Charger (2006–2023), and Dodge Magnum (2005–2008). Installation can be completed using standard hand tools and basic mechanical knowledge. Always consult your vehicle’s service manual for proper torque specifications and safety procedures.

What's Included

• One (1) R1 Concepts Drilled & Slotted Rear Left Brake Rotor

Ideal For

This rotor is ideal for drivers seeking enhanced braking performance and reliability on their Chrysler 300, Dodge Challenger, or Dodge Charger. It suits enthusiasts who engage in spirited driving, as well as daily drivers looking to replace worn or rusted rotors with a high-quality, performance-oriented option. Its design benefits those who want improved heat management and consistent braking feel without sacrificing OEM fitment or safety.

R1 Concepts is a manufacturer and retailer specializing in automotive braking systems, offering a comprehensive catalog of brake parts for both foreign and domestic vehicles from 1930 to the present. Their product line includes OE replacements and high-performance aftermarket brake components, such as cross-drilled and slotted rotors, ceramic brake pads, and big brake kits. Enthusiasts choose R1 Concepts for their precision engineering and quality materials, which enhance braking performance and safety across various driving conditions.