R1 Concepts 623-58020L RNC Series Drilled Disc Brake Rotor - Left

The R1 Concepts 623-58020L RNC Series Drilled Brake Rotor is a direct-fit, performance-oriented replacement rotor designed to deliver reliable stopping power with improved heat dissipation over standard solid rotors. The cross-drilled pattern reduces rotor weight, vents heat and gases from the braking surface, and helps keep rotors cooler during repeated stops — reducing brake fade under demanding driving conditions.

This is the left (driver's side) rotor, sold individually.

Key Features:

• Cross-drilled hole pattern for enhanced heat dissipation and reduced brake fade
• Direct OEM replacement fit — no modifications required
• Zinc-plated hat and non-braking surfaces to resist corrosion and improve appearance
• Precision-machined for minimal runout and smooth, vibration-free braking
• Compatible with OEM and aftermarket brake pads
• Left (driver's side) application — sold as a single rotor

R1 Concepts rotors are manufactured to meet or exceed OEM specifications, making the 623-58020L a reliable upgrade for drivers seeking improved braking performance and longevity without the cost of a full big brake kit.