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Product details
This Wilwood Mustang front hat uses a twelve-bolt rotor connection at 1.200-inch offset. Verify the caliper package and 2.80-inch hub register. Founded in 1977 under Bill Wood, Wilwood Engineering operates from Camarillo, California. The company designs and manufactures disc braking systems and components, including calipers, master cylinders, brake rotors, fittings, valves and brake lines. Its motorsport, specialized and street-performance range requires individual parts matched to the complete braking arrangement.
Technical Details
- Manufacturer part number: 170-13927
- Internal clearance diameter: 7.16 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: 1.200 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
- Rotor mounting hole/thread designation: 1/4-20
Fitment & Compatibility
Use this replacement only within the specified Ford Mustang brake conversions. Compare the hub, caliper position and rotor attachment to the complete assembly drawing. 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
Our team at PMB Performance has over 20 years of parts and fitment experience. The existing component number and brake-system details help us check the match.
