R1 Concepts 623-11005L RNC Series Drilled Disc Brake Rotor

The R1 Concepts 623-11005L is a precision-drilled disc brake rotor from the R1 Concepts RNC Series, engineered to deliver enhanced stopping performance over standard OEM rotors. Designed to OEM specifications for a direct-fit, no-modification installation, this single rotor is built to improve heat dissipation and braking consistency.

Key Features:

• Cross-Drilled Design: Precision-drilled holes are countersunk to reduce heat stress and prevent cracking, channeling heat away from the rotor surface during braking
• G3000 Grade Cast Iron Construction: High-quality cast iron formulation provides excellent durability, thermal capacity, and consistent braking performance
• Zinc Plated Coating: Protective zinc finish guards against corrosion and rust, extending rotor life and maintaining appearance over time
• OEM Direct Fit: Engineered to match original equipment specifications — no modifications or adapters required for installation
• Improved Heat Ventilation: Vented rotor design combined with drilled holes promotes airflow through the rotor, reducing brake fade under demanding conditions
• Single Rotor: Sold individually — verify left or right application prior to ordering

The R1 Concepts RNC Series drilled rotor is an ideal upgrade for drivers seeking improved thermal management and braking responsiveness compared to a standard blank OEM rotor. Compatible with OEM-style brake pads; always replace brake pads when installing new rotors and follow proper break-in procedures for optimal performance.