Wilwood Rear HP Rotor and Hat, 12.19 x 0.81-inch with 2.32-inch Offset

SKU: 160-10049

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Product details

This one-piece rear rotor combines the service-brake friction ring with the hat and internal parking-brake drum. Its 2.32-inch offset and 5 x 4.75-inch stud clearance pattern suit the matching Wilwood disc/drum assembly rather than a generic replacement selected by diameter alone. Camarillo, California is home to Wilwood Engineering, founded in 1977 by Bill Wood. The company designs and manufactures disc brake systems and their calipers, brake rotors, master cylinders, valves, fittings and brake lines. Across motorsport, street-performance and specialized applications, these components must be matched as parts of a complete braking system.

Technical Details

  • Manufacturer part number: 160-10049
  • Friction dimensions: 12.19 inches diameter x 0.81 inches wide
  • Construction: Iron
  • Surface treatment: Plain Face; Plain
  • Cooling layout: 32 vanes; straight
  • Mounting direction: Non-directional
  • Supplied preparation: Balanced: no; factory burnished: no
  • Hat wheel-stud clearance pattern: 5 x 4.75 inches
  • Stud clearance-hole sizes: .45/.48/.52 inches
  • Center registration: 3.06 inches
  • Far-side inside diameter: 8.38 inches
  • Hat offset: 2.320 inches
  • Internal parking-drum diameter: 7.24 inches
  • Inside clearance diameter: 7.16 inches
  • Hat mounting-face thickness: 0.18 inches
  • Approximate weight: 14.40 lb
  • Quantity: one rotor with integral hat; separate hub, pads, calipers, mounting hardware and any parking-brake mechanism are not included

Fitment & Compatibility

For the matching rear disc/drum conversion using a 7.24-inch internal parking drum and 2.32-inch hat offset. Verify axle-flange registration, the five-on-4.75-inch stud-clearance circle and caliper position. Parking shoes, brackets and the axle hub are separate components.

Manufacturer reference: Wilwood rotor specifications

Choosing a rotor involves more than its outside diameter. PMB Performance's 20-plus years of brake and parts experience can help you check the component against your existing assembly.