Alcon ROR.910435 Pro-System Brake Rotor 11.75" Left Side 36 Vane Pre-Bedded

The Alcon ROR.910435 is a high-performance Pro-System brake rotor engineered for professional racing applications including NASCAR, ARCA, truck series, Xfinity, Late Model, and short track competition. This left side rotor is machined from specially formulated grey cast iron to deliver exceptional thermal stability, friction coefficient, and heat transfer characteristics under extreme racing conditions.

Key Specifications:

• Rotor Diameter: 11.75 inches
• Rotor Thickness: 0.810 inches
• Configuration: Left Side
• Vane Count: 36 directional vanes for optimal cooling
• Pre-Bedded: Factory bedded and dyno tested for immediate race performance
• Made in USA by Alcon Pro-System

Racing-Proven Performance:

Alcon Pro-System rotors are trusted by top-level race teams across multiple professional motorsports series. The pre-bedding process ensures consistent performance right from installation, eliminating the need for track-side break-in procedures. The 36-vane design provides superior heat dissipation to maintain consistent braking performance during extended race sessions.

This rotor is designed for directional left side installation and pairs with part number ROR.910436 for the right side. The grey cast iron material formulation delivers the ideal balance of wear resistance, thermal stability, and friction characteristics demanded by professional racing applications.