R1 Concepts 623-58007L RNC Series Drilled Disc Brake Rotor - Left

The R1 Concepts 623-58007L RNC Series Drilled Brake Rotor is a high-performance replacement rotor engineered to deliver superior stopping power, improved heat dissipation, and long-lasting durability. Designed as a direct OEM-style replacement, this rotor installs without modification for a hassle-free upgrade over worn or stock rotors.

Precision cross-drilled holes reduce heat buildup during aggressive braking, channel away water and debris, and help prevent brake fade — keeping your braking performance consistent in both everyday and demanding driving conditions. The rotor is constructed from G3000 grade cast iron for excellent strength and thermal stability, and features a silver zinc plated coating to protect the hat and vane areas from corrosion for improved appearance and long-term durability.

Key Features:

• Cross-drilled design for enhanced heat dissipation and reduced brake fade
• G3000 grade cast iron construction for strength and thermal stability
• Silver zinc plated coating on hat and vanes for corrosion resistance
• Direct OEM replacement fit — no modifications required
• Left-side application (driver side)
• Manufactured to OEM specifications for proper fitment and performance

The R1 Concepts RNC Series rotor is a reliable performance upgrade for drivers seeking improved braking response over standard rotors. Compatible with R1 Concepts brake pads and hardware for a complete brake system refresh.