R1 Concepts 623-03013L RNC Series Drilled Brake Rotor Left Side

The R1 Concepts 623-03013L RNC Series Drilled Brake Rotor is a premium performance replacement rotor engineered for improved stopping power and thermal management. Designed as a direct OEM replacement with performance upgrades, this left-side rotor is precision-machined to exact specifications for a clean, no-hassle installation.

Key Features:

• Drilled Design: Cross-drilled holes help dissipate heat and gases generated during braking, reducing brake fade under demanding conditions
• Geomet® Protective Coating: The RNC line features a Geomet® corrosion-resistant coating on the hat and non-swept surfaces, providing long-lasting protection against rust and corrosion without affecting braking performance
• Precision Machined: Computer-balanced and precision-turned to minimize runout and vibration for smooth, quiet braking
• Direct Fit Replacement: Engineered to match OEM specifications for straightforward installation with no modifications required
• Left Side (Driver Side): This unit is designed specifically for the left/driver-side position — always replace rotors in axle pairs for optimal braking balance
• High-Carbon Iron Construction: Formulated for consistent friction surface performance and extended rotor life

R1 Concepts is a leading manufacturer of brake components trusted by enthusiasts and professional installers alike. The RNC series delivers an ideal balance of everyday reliability and enhanced performance, making it a smart upgrade over standard OEM rotors. Always replace brake pads when installing new rotors for best results.