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Product details
A 1.950-inch offset defines this Wilwood rear parking hat. Its 7.23-inch shoe bore and multi-pattern flange must suit the actual brake package. Bill Wood established Wilwood Engineering in 1977. Based in Camarillo, California, the company designs and builds disc brake systems for motorsport, street-performance and specialized uses, including calipers, rotors, master cylinders, valves, fittings and brake lines. Each part must match the requirements of the whole braking arrangement.
Technical Details
- Manufacturer part number: 170-13540
- Center register diameter: 3.06 inches
- Rotor mounting hole/thread designation: 1/4-20
- Parking-shoe bore: 7.23 inches
- Internal clearance diameter: 6.85 inches
- Mounting-face thickness: 0.18 inches
- Hub-side hole clearance diameter(s): 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: Parking-Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
- Position in the specified brake assembly: Rear
- Hat offset: 1.950 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, 5 x 5.00 inches; verify the actual hub and wheel-stud clearance
Fitment & Compatibility
Use this replacement only within the specified matched big-brake parking systems. Compare the hub, caliper position and rotor attachment to the complete assembly drawing. The parking-shoe diameter, anchor arrangement and complete drum-in-hat mechanism must match. A bare hat is not a complete parking-brake assembly.
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.
