Wilwood 170-13926 GT Series Brake Rotor Hat Flared Bell Aluminum

The Wilwood 170-13926 GT Series Big Brake Flared Bell Hat is a precision-machined brake rotor mounting component designed for high-performance braking systems. Manufactured from premium aluminum alloys, this rotor hat delivers exceptional strength while maintaining a lightweight profile critical for reducing unsprung weight and improving vehicle dynamics.

Key Features:

• Precision CNC-machined from high-strength aluminum alloy construction
• Threaded rotor mount holes for standard through-hole mount rotors
• Compatible with T-Nuts or bobbins for slotted hole dynamic mount rotors
• Flared bell design optimized for rotor bolt circles 8.38 inches and larger
• Engineered for rotor diameters of 12.19 inches and up
• Available offsets ranging from 1.88 to 3.00 inches for precise fitment
• Designed for use with Wilwood matched rotor hardware kits

The flared bell design provides optimal clearance and structural integrity for large diameter rotor applications. When paired with genuine Wilwood rotor hardware kits, this GT Series hat delivers solid, reliable performance in the most demanding racing and high-performance driving conditions. The threaded mounting system offers versatile installation options for various rotor configurations.