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Product details
PT Cruiser and SRT-4 front Wilwood conversions use this 0.500-inch-offset hat. Match the 2.40-inch register and eight-bolt rotor interface. Since its founding by Bill Wood in 1977, Wilwood Engineering has focused on disc brake system design and manufacturing. Based in Camarillo, California, it offers calipers, rotors, brake lines, master cylinders, fittings and valves for motorsport, street-performance and specialized installations. Choose components to satisfy the requirements of the entire braking system.
Technical Details
- Manufacturer part number: 170-6378
- Mounting-face thickness: 0.25 inches
- Hub-side hole clearance diameter(s): 0.550 inches; these are clearance dimensions, not wheel-stud thread sizes
- Manufacturer-listed attachment hardware reference: 230-8390; verify the specific rotor and attachment arrangement before ordering hardware
- Component: Short-Offset Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
- Position in the specified brake assembly: Front
- Hat offset: 0.500 inch
- Rotor attachment interface: 8 x 7.00 inches; rotor attachment, separate from the hub flange
- Hub-flange mounting/clearance pattern(s): 5 x 3.93 inches; verify the actual hub and wheel-stud clearance
- Center register diameter: 2.40 inches
- Rotor mounting hole/thread designation: 5/16-18
- Internal clearance diameter: 5.90 inches
Fitment & Compatibility
DS1504 lists this hat in front kit 140-16827 for 2001–2010 Chrysler PT Cruiser and 2003–2005 Dodge SRT-4. Match the complete Wilwood conversion, its hub registration and rotor connection. The shared hat is not a blanket original-equipment rotor replacement for either vehicle. 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 · Assembly instructions DS1504
Contact PMB Performance with the brake-kit identification and measurements for help selecting the part. Our team brings over 20 years of experience.
