R1 Concepts 623-27021L RNC Series Drilled Brake Rotor

The R1 Concepts 623-27021L RNC Series Drilled Brake Rotor is a high-performance, direct-fit replacement rotor engineered to deliver superior stopping power and long-lasting durability. Designed as a direct OEM-style replacement, this rotor features a precision-drilled pattern that helps dissipate heat, reduce brake fade, and expel gases and debris from the rotor surface during braking.

Key Features:

• Drilled Design: Cross-drilled holes promote heat dissipation and reduce the buildup of brake gas between the pad and rotor surface for more consistent performance
• Premium G3000 Castings: Manufactured from high-grade G3000 metallurgy for excellent thermal stability and resistance to warping under repeated heavy braking
• Zinc Dichromate Finish: Corrosion-resistant coating protects non-braking surfaces from rust and premature wear, maintaining a clean appearance
• OE-Style Fitment: Designed for direct bolt-on installation with no modifications required
• Precision Balanced: Computer-balanced to minimize vibration and eliminate brake pedal pulsation
• Left-Side Application: This is the driver-side (left) rotor as indicated by the “L” suffix in the part number

R1 Concepts rotors are manufactured to meet or exceed OEM specifications, making the 623-27021L a reliable upgrade or replacement for worn or damaged factory rotors. For best results, pair with R1 Concepts brake pads and bed in the brakes properly following installation.