Wilwood 170-15883 Aluminum Brake Rotor Hat 5x5.906 12x9.188 BC 1.240 Offset

The Wilwood 170-15883 is a precision-engineered aluminum brake rotor hat designed for heavy-duty truck, SUV, and 4WD brake upgrades. This threaded-mount hat accommodates standard through-hole brake rotors and features a robust construction optimized for demanding applications.

Key Specifications:

• Bolt pattern: 5x5.906 inches (5-lug configuration)
• Bell diameter: 12 inches
• Bolt circle: 9.188 inches
• Offset: 1.240 inches
• Premium aluminum alloy construction for high strength-to-weight ratio
• Threaded rotor mount holes for secure attachment

Features & Benefits:

• Flared bell configuration with strengthening ribs provides exceptional rigidity and heat dissipation
• Precision CNC-machined to strict tolerances for proper rotor alignment and minimal runout
• Lightweight aluminum construction reduces unsprung weight for improved suspension response
• Compatible with Wilwood and aftermarket through-hole mount brake rotors
• Designed specifically for large rotor brake systems on trucks and SUVs

This rotor hat is an essential component for building custom big brake kits or replacing worn rotor hats in existing Wilwood brake systems. The threaded mount design ensures reliable rotor attachment and simplifies installation.