R1 Concepts 623-63014L RNC Drilled Brake Rotor

The R1 Concepts 623-63014L RNC Drilled Brake Rotor is a precision-engineered replacement disc brake rotor designed to deliver reliable stopping performance for everyday street driving. Manufactured to OEM specifications, this rotor installs without modification for a direct-fit replacement experience.

R1 Concepts RNC series rotors are constructed from G3000 grade cast iron, providing the durability and thermal stability required for consistent braking performance. The cross-drilled hole pattern reduces heat buildup on the rotor surface and helps evacuate gases, dust, and debris from between the pad and rotor contact surface, promoting cleaner, more responsive braking.

Key Features:

• Manufactured from G3000 grade cast iron for OEM-matched strength and longevity
• Cross-drilled pattern improves heat dissipation and reduces brake fade under repeated use
• Chamfered and countersunk drill holes help prevent rotor cracking and support a smooth break-in process
• Direct OEM replacement fitment — no modification required
• Designed for street and light-performance driving applications
• Single rotor — left side (driver side) as indicated by the "L" suffix in the part number

The R1 Concepts 623-63014L is a dependable upgrade or replacement option for drivers looking to restore or modestly improve their braking system's performance without straying from factory dimensions and fitment standards.