R1 Concepts 623-13042L RNC Series Drilled Brake Rotor

The R1 Concepts 623-13042L is a drilled replacement brake rotor from R1 Concepts' RNC (Replacement No-Coat) series. Engineered as a direct OEM-style replacement, this rotor features precision drilled holes that help dissipate heat and gas buildup during braking, improving overall stopping performance and reducing brake fade under demanding conditions.

Key Features:

• Drilled design promotes cooling airflow and helps expel heat, gas, and debris from the rotor surface
• RNC (Replacement No-Coat) series — ready to install without needing to remove a protective coating
• Manufactured to strict dimensional tolerances for a direct OE-fit installation
• High-quality grey iron construction for consistent, reliable braking
• Precision balanced to minimize vibration and pedal pulsation
• Meets or exceeds OEM specifications for safety and performance

The R1 Concepts 623-13042L is designed for straightforward installation with no modifications required. It is an excellent choice for drivers seeking an upgrade over standard smooth rotors while maintaining OEM-level fitment and reliability.