Wilwood 170-14206 HD Series Fixed Mount Disc Brake Rotor Hat

Wilwood's HD Series Fixed Mount Rotor Hats deliver the proven combination of precision fit, race-proven performance, and long-term durability that has made them an industry standard. Manufactured from premium grade aluminum alloys, these rotor hats offer exceptional strength-to-weight ratios while providing the show-quality appearance that custom and competition builds demand.

Key Features:

• Premium aluminum alloy construction for high strength and lightweight performance
• Straight bell design with flanged rotor mount ring for maximum radial clearance
• Threaded-hole mounting system designed for use with through-hole rotors
• Optimized clearance between caliper body and hat for tight wheel fitment
• Compatible with a wide range of applications from OE four-lug axles to Grand National stock car racing hubs
• Available in multi-lug wheel patterns for enhanced versatility

When paired with matching Wilwood rotor hardware, these HD Series hats provide solid, reliable mounting for custom disc brake conversions and competition applications. The straight bell construction maximizes radial clearance—a critical advantage when installing large calipers inside small diameter wheels. Whether you're building a vintage muscle car brake upgrade or a purpose-built race car, these rotor hats deliver the quality and performance Wilwood is known for.