Wilwood 270-15939 Sprint Gen II Inboard Hub Assembly 46-Tooth Splined Dynamic Mount

The Wilwood 270-15939 Sprint Gen II inboard hub assembly is engineered for dynamic rotor mounting with standard Gen II rotor adapters, providing a high-performance solution for sprint car and open-wheel racing applications. This improved generation hub features a 46-tooth splined design that ensures precise engagement and reliable power transfer in demanding racing conditions.

Key Features:

• 46-tooth splined interface for secure rotor adapter mounting
• High-strength aluminum construction delivers excellent strength-to-weight ratio
• Improved stud alignment design simplifies installation and maintenance
• Increased clearance over previous generation for better component fitment
• Compatible with standard Wilwood Gen II rotor adapters for flexible brake system configuration
• Dynamic rotor mounting allows for thermal expansion and reduces stress on components

This Gen II hub represents Wilwood's continuous improvement approach to sprint car braking components, offering racers enhanced reliability and ease of service. The lightweight aluminum construction reduces unsprung weight while maintaining the structural integrity required for high-stress racing environments.