R1 Concepts 631-92025L RNC Series Drilled & Slotted Brake Rotor

The R1 Concepts 631-92025L RNC Series Drilled and Slotted Brake Rotor is a high-performance replacement rotor engineered to deliver superior stopping power and improved heat dissipation over standard OEM rotors. Designed for drivers who demand more from their braking system, the RNC series combines precision-drilled holes and machined slots to maximize airflow, reduce brake fade, and expel gas and debris from the rotor surface.

Key Features:

• Drilled & Slotted Design: Cross-drilled holes and precision-cut slots work together to improve cooling, reduce thermal buildup, and maintain consistent braking performance under demanding conditions
• Premium G3000 Metallurgy: Manufactured from high-grade G3000 cast iron for optimal durability, heat tolerance, and compatibility with a wide range of brake pads
• Zinc Dichromate Coating: Corrosion-resistant coating on non-contact surfaces protects against rust and extends rotor life
• Precision Balanced: Each rotor is computer-balanced and machined to tight tolerances to minimize vibration and pedal pulsation
• Direct-Fit Replacement: OEM-style hub geometry ensures a straightforward installation without modification
• Left Side Fitment: This rotor is specifically designed for the left (driver) side application

The R1 Concepts RNC series brake rotor is an ideal upgrade for daily drivers and performance enthusiasts looking to improve braking responsiveness and reduce brake fade. Compatible with most OEM and aftermarket brake pads, this rotor is a direct drop-in replacement that upgrades both form and function.