R1 Concepts 613-39028L RNC Series Slotted Brake Rotor Left Side

The R1 Concepts 613-39028L RNC Series Slotted Brake Rotor is a high-performance, direct-fit replacement rotor engineered to deliver confident, consistent stopping power. Designed as the left-side rotor, this unit is precision-machined to exact OEM dimensions for a straightforward, bolt-on installation with no modifications required.

The slotted rotor surface features precision-cut grooves across the braking face, which continuously sweep away heat, gas, and debris from the pad contact area. This helps maintain consistent friction, reduces brake fade during demanding use, and promotes even pad wear over time.

Key Features:

• Slotted Rotor Design – Precision slots improve heat dissipation and gas evacuation for consistent braking performance
• Left Side Fitment – Direct OEM replacement rotor for the driver or passenger side as specified (confirm fitment for your application)
• Premium Zinc-Coated Finish – Protective zinc coating resists corrosion on non-braking surfaces for improved longevity and appearance
• Double Disc Ground Braking Surface – Machined to tight tolerances for minimal runout and smooth, quiet pad engagement
• Direct Bolt-On Fit – Engineered to factory specifications for hassle-free installation
• High-Carbon Gray Iron Construction – Provides excellent thermal capacity and durability under repeated braking cycles

The R1 Concepts RNC Series is built for drivers who want improved braking performance beyond stock without sacrificing daily driveability. Whether used for street performance or spirited driving, the 613-39028L delivers reliable stopping power with long service life.