Wilwood Spec-37 160-15878 ULHD Driver-Side Brake Rotor, 11.75-Inch, 16-Vane

The Wilwood Spec-37 160-15878 brake rotor is designed for high-performance braking applications requiring dependable stopping power and consistent heat management. This ULHD driver-side rotor features an 11.75-inch outside diameter, 0.99-inch thickness, and 16 internal vanes to help promote effective cooling during demanding driving conditions. Its iron construction provides durable performance for racing, track, and performance street applications.
The rotor uses an 8 x 7-inch bolt pattern for compatibility with the appropriate Wilwood braking systems and hub configurations. Its natural finish delivers a functional, professional appearance while allowing the rotor to perform as intended under repeated braking cycles. Designed specifically for the left-hand side, the Wilwood Spec-37 rotor is intended for precise installation within a properly matched brake assembly.
As a genuine Wilwood replacement component, part number 160-15878 is engineered to meet the brand’s standards for fit, function, and durability. Verify vehicle, caliper, hub, and brake-system compatibility before installation, including driver-side orientation and bolt-pattern requirements. Sold individually for applications that require a single replacement rotor.

Features:

• Brand: Wilwood

• Part Number: 160-15878

• Rotor Style: Spec-37 ULHD brake rotor

• Position: Driver side

• Outside Diameter: 11.75 inches

• Thickness: 0.99 inch

• Vane Configuration: 16 vanes

• Bolt Pattern: 8 x 7 inches

• Material: Iron

• Finish: Natural

• Quantity: Sold individually

• Application: High-performance, racing, track, and performance street brake systems