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Product details
A 1.380-inch-offset Wilwood flared hat carries the rotor in the specified Mustang front conversion. Match its 2.80-inch register and flange. 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: 170-13926
- Rotor mounting hole/thread designation: 1/4-20
- Internal clearance diameter: 6.78 inches
- Mounting-face thickness: 0.25 inches
- Hub-side hole clearance diameter(s): 0.630 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
- Component: Flared-Bell Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
- Position in the specified brake assembly: Front
- Hat offset: 1.380 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 inches; verify the actual hub and wheel-stud clearance
- Center register diameter: 2.80 inches
Fitment & Compatibility
Select this hat for the exact Ford Mustang brake conversions and installed hub arrangement. Compare the original part, rotor mounting circle and required hardware before replacing any component. 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
PMB Performance brings over 20 years of experience to brake-component selection. Provide the actual hardware specification when the brake system has been modified.
