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Product details
This Wilwood truck hat has an undrilled hub flange and 1.550-inch offset. Qualified machining is required to suit the hub and mounting register. 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: 171-11859
- Internal clearance diameter: 7.85 inches
- Mounting-face thickness: 0.45 inches
- Manufacturer-listed attachment hardware reference: 230-12176; verify the specific rotor and attachment arrangement before ordering hardware
- Component: Truck Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
- Position in the specified brake assembly: Front
- Hat offset: 1.550 inch
- Rotor attachment interface: 12 x 10.75 inches; rotor attachment, separate from the hub flange
- Hub-flange mounting/clearance pattern(s): Blank — flange requires machining
- Center register diameter: 2.40 inches
- Rotor mounting hole/thread designation: 5/16-18
Fitment & Compatibility
Identify the installed brake conversion before choosing this hat for Custom truck brake systems. The offset, center register and attachment hardware must agree with the rotor and hub in that assembly. The blank hub flange is not ready to bolt on. Have a qualified machinist verify the drilling layout, register and finished mounting surfaces for the intended assembly.
Manufacturer Reference
Wilwood component specifications and dimensions
Contact PMB Performance with the brake-kit identification and measurements for help selecting the part. Our team brings over 20 years of experience.
