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Product details
Wilwood lists this front hat for 1999–2010 GM 2500 conversions. Check the 1.670-inch offset, 4.65-inch register and 12 x 9.75 rotor circle. Camarillo, California is home to Wilwood Engineering, founded by Bill Wood in 1977. Wilwood designs and manufactures disc brake systems, with calipers, brake rotors, master cylinders, fittings, valves and lines serving motorsport, street-performance and specialized uses. Select individual parts to meet the needs of the complete brake system.
Technical Details
- Manufacturer part number: 170-14027
- Position in the specified brake assembly: Front
- Hat offset: 1.670 inch
- Rotor attachment interface: 12 x 9.75 inches; rotor attachment, separate from the hub flange
- Hub-flange mounting/clearance pattern(s): 8 x 6.50 inches; verify the actual hub and wheel-stud clearance
- Center register diameter: 4.65 inches
- Rotor mounting hole/thread designation: 5/16-18
- Internal clearance diameter: 8.53 inches
- Mounting-face thickness: 0.45 inches
- Hub-side hole clearance diameter(s): 0.630 inches; these are clearance dimensions, not wheel-stud thread sizes
- Component: Truck Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
Fitment & Compatibility
This is a component for GM 2500 truck 1999–2010 brake conversions, not a complete brake kit. Check the hub location, rotor mounting surface and caliper alignment as a system before ordering. 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 can help identify the required brake component with over 20 years of parts experience. Send the kit details and original-part measurements.
