R1 Concepts 631-40128D RNC Drilled & Slotted Brake Rotor

The R1 Concepts 631-40128D RNC Series Drilled and Slotted Brake Rotor is a direct-fit performance upgrade designed to deliver improved stopping power and enhanced thermal management over standard OEM rotors. Precision-machined from high-grade cast iron, this rotor is engineered to meet or exceed OEM specifications while offering the added benefits of a performance surface pattern.

Key Features:

• Drilled and Slotted Design: Cross-drilled holes promote heat dissipation and reduce brake fade under demanding driving conditions, while slots continuously clean and deglaze brake pad surfaces for consistent bite
• Zinc Dichromate Coating: Corrosion-resistant finish protects the rotor hat and non-swept areas, improving appearance and longevity
• Direct OEM Replacement: Engineered as a bolt-on fitment with no modifications required for a straightforward installation
• Precision Balanced: Computer-balanced to minimize vibration and ensure smooth, quiet braking performance
• High-Grade Cast Iron: Durable iron alloy construction provides excellent thermal capacity and long service life
• G3000 Grade Material: Meets OEM-grade material standards for reliable, consistent performance

The R1 Concepts RNC Series rotor is an excellent choice for drivers seeking a step up from standard replacement rotors without moving into a full competition-spec brake system. Whether used for daily driving or spirited road use, the 631-40128D delivers dependable performance and is sold individually.