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Product details
This Wilwood Honda front hat uses 0.540-inch offset and a flared bell. Match the 3.06-inch register and twelve-bolt rotor assembly. Wilwood Engineering, founded in 1977 by Bill Wood, is based in Camarillo, California. The company designs and manufactures disc brake systems and supplies master cylinders, calipers, brake rotors, valves, fittings and lines for motorsport, street-performance and specialized installations. Select each component around the complete system’s requirements.
Technical Details
- Manufacturer part number: 170-11804
- Position in the specified brake assembly: Front
- Hat offset: 0.540 inch
- Rotor attachment interface: 12 x 8.75 inches; rotor attachment, separate from the hub flange
- Hub-flange mounting/clearance pattern(s): 5 X 4.50, 5 x 4.75 inches; verify the actual hub and wheel-stud clearance
- Center register diameter: 3.06 inches
- Rotor mounting hole/thread designation: 1/4-20
- Internal clearance diameter: 7.09 inches
- Mounting-face thickness: 0.25 inches
- Hub-side hole clearance diameter(s): 0.580, 0.520 inches; these are clearance dimensions, not wheel-stud thread sizes
- Manufacturer-listed attachment hardware reference: 230-8008; verify the specific rotor and attachment arrangement before ordering hardware
- Manufacturer installation note: 3.06 " diameter register with counterbore for register ring.
- Component: Flared-Bell Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
Fitment & Compatibility
This is a component for Honda brake conversions, not a complete brake kit. Check the hub location, rotor mounting surface and caliper alignment as a system before ordering. Select the rotor and attachment hardware separately for the documented assembly. Follow the installation drawing for engagement and clearance at every mounting point.
Manufacturer Reference
Wilwood component specifications and dimensions
For fitment assistance backed by more than 20 years of experience, share the installed brake configuration with PMB Performance before ordering.
