Wilwood 300-16921 Brake Rotor Adapter, 8 x 7-Inch to Wide 5 Bolt Pattern, Black Anodized Aluminum

The Wilwood 300-16921 Brake Rotor Adapter provides a reliable way to adapt a rotor with an 8 x 7-inch bolt pattern to a Wide 5 rotor bolt pattern. Designed for race and performance brake applications, this adapter supports proper rotor installation while helping accommodate different hub and rotor configurations. The black anodized aluminum construction offers a durable, corrosion-resistant finish suited to demanding automotive environments.
The Wilwood 300-16921 adapter is manufactured for precise fitment and consistent alignment between the rotor and mounting surface. Its lightweight aluminum construction helps minimize unnecessary rotating mass while maintaining the strength required for high-performance use. This adapter is supplied as one piece and is intended for applications requiring compatibility between the specified bolt patterns.
With its straightforward design and professional-grade construction, the Wilwood Brake Rotor Adapter is a practical solution for custom brake system installations, racing vehicles, and performance builds. Verify rotor, hub, wheel, and fastener compatibility before installation, and follow the vehicle and brake system manufacturer’s recommended installation procedures. This part is not air restricted and does not require truck freight shipping.

Features:

• Brand: Wilwood

• Part Number: 300-16921

• Adapter Type: Brake rotor adapter

• Bolt Pattern Conversion: 8 x 7-inch bolt pattern to Wide 5 rotor bolt pattern

• Material: Aluminum

• Finish: Black anodized

• Quantity: Each

• Application: Performance, racing, and custom brake system installations

• Shipping Classification: Not air restricted and not truck freight only