Wilwood Scalloped Dirt Rotor, 11.75 x 1.25 Inches, 8.75-Inch Far-Side Bore

SKU: 160-8814

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Product details

An 8.75-inch far-side inside diameter is the important clearance difference on this 11.75-inch scalloped rotor. The iron ring retains a 1.25-inch section and 32 vanes, with a listed weight of 6.40 lb for the specified light dirt-racing application. Founded in 1977, Bill Wood’s Wilwood is based in Camarillo, California and designs and manufactures disc brake systems for motorsport, street performance and specialized applications. Its range runs from calipers and rotors to master cylinders, valves, fittings and lines. Choosing a rotor involves matching those surrounding components as well as the vehicle’s intended use.

Technical Details

  • Manufacturer part number: 160-8814
  • Quantity: One rotor; not an axle pair
  • Outside diameter: 11.75 inches
  • Nominal thickness: 1.25 inches
  • Rotor material: Iron
  • Construction: 32 vanes
  • Friction surface: Plain Face
  • Finish: Plain
  • Approximate weight: 6.40 lb
  • Factory burnished: No
  • Dynamically balanced: No
  • Installation orientation: Non-directional
  • Rotor attachment pattern: 8 x 7.00 inches
  • Rotor mounting hole / thread: 0.326 inches
  • Registration / lug inside diameter: 6.38 inches
  • Far-side inside diameter: 8.75 inches
  • Intended use and restrictions: For light dirt racing. Scalloped rotors are unsafe for street use and can fail if misused.

The hat or hub, fasteners, caliper and pads are not included.

Fitment & Compatibility

Unsafe for street use and capable of failure if misused. Confirm the exact casting required by the racing package, including the 6.38-inch register; it is not the 8.34-inch-clearance version.

Wilwood product specifications · Rotor dimension diagram

PMB Performance offers more than 20 years of brake experience and practical help with replacement parts. Contact our team if you need assistance confirming the rotor for your installation.