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Product details
Wilwood's Pinto/Mustang II front conversion uses this 1.880-inch-offset hat. Match its five-hole flange, hub register and twelve-bolt rotor ring. Wilwood Engineering is a Camarillo, California manufacturer founded by Bill Wood in 1977. Disc brake design and manufacturing extend across calipers, brake rotors, master cylinders, valves, fittings and brake lines. Parts for street-performance, specialized applications and motorsport must be selected to meet the requirements of the complete brake system.
Technical Details
- Manufacturer part number: 170-15150
- Mounting-face thickness: 0.25 inches
- Hub-side hole clearance diameter(s): 0.520 inches; these are clearance dimensions, not wheel-stud thread sizes
- Manufacturer-listed attachment hardware reference: 230-4572; verify the specific rotor and attachment arrangement before ordering hardware
- Manufacturer installation note: Hat is drilled and countersunk in three places to accommodate hat to hub anchoring screws used with specific Wilwood hat mount hubs. Use 230-7032 (contains 6 qty. 1/4-20 x .50 Flat Head Hex Drive mounting screws)
- 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: 1.880 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 5.00 inches; verify the actual hub and wheel-stud clearance
- Center register diameter: 3.06 inches
- Rotor mounting hole/thread designation: 1/4-20
- Internal clearance diameter: 6.40 inches
Fitment & Compatibility
The specified Ford Pinto and Mustang II brake conversions must use the same hat geometry and rotor interface. Verify the hub register and offset measurement reference before assembling the brake system. 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 brings over 20 years of experience to brake-component selection. Provide the actual hardware specification when the brake system has been modified.
