R1 Concepts 623-59017L RNC Series Drilled Brake Rotor Left Rear

The R1 Concepts 623-59017L is a left-side (driver's side) drilled brake rotor from R1 Concepts' RNC Series, engineered to deliver consistent, reliable stopping power for daily driving and street performance applications. Precision-manufactured to OEM specifications, this rotor installs without modification for a direct, hassle-free replacement.

Constructed from G3000 grade cast iron, the rotor provides excellent thermal stability and durability under normal and demanding braking conditions. The drilled design improves heat dissipation, helps evacuate gas and debris from the braking surface, and reduces overall rotor weight for improved response.

Key Features:

• Drilled Design: Precision-drilled holes enhance heat dissipation and reduce brake fade during repeated stops
• G3000 Cast Iron Construction: High-grade iron for superior strength, longevity, and consistent performance
• Zinc Coating: Silver zinc plated finish protects against corrosion and rust for improved appearance and extended service life
• OEM Fitment: Manufactured to original equipment specifications — no modifications required for installation
• Left Side (Driver's Side): Direct replacement for the left rear or left front position as specified by application
• Street Performance Ready: Suitable for daily driving, light towing, and spirited street use

The R1 Concepts 623-59017L is a dependable upgrade or replacement rotor that pairs well with R1 Concepts ceramic or OEM-equivalent brake pads for a complete braking system refresh.