Wilwood 170-14209 GT Series Brake Rotor Hat 12" 8.75" BC 5x4.75/5.00 Bolt Pattern

The Wilwood 170-14209 is a GT Series Big Brake flared bell rotor hat designed for high-performance brake systems requiring 12-inch rotors. Precision-machined from premium aluminum alloy, this hat delivers exceptional strength while maintaining minimal weight for optimal performance.

Key Features:

• Flared bell design for 12-inch rotor diameter with 8.75-inch bolt circle
• Dual bolt pattern compatibility: 5x4.75" and 5x5.00" wheel mounting
• 1.38-inch offset for proper rotor positioning
• Threaded rotor mount holes for standard through-hole mount rotors
• Compatible with T-Nuts or bobbins for slotted hole dynamic mount rotors
• Premium aluminum alloy construction for high strength-to-weight ratio

This flared bell hat is engineered for rotor mount bolt circles of 8.38 inches and larger, making it ideal for big brake conversions and racing applications. When paired with matched Wilwood rotor hardware kits, the GT Series hat provides solid, reliable performance in the most demanding track and street conditions. The threaded mounting system ensures secure rotor attachment while allowing flexibility for different rotor mounting styles.