Wilwood Ultralite Iron Rotor, 12 x 1.03 Inches, Eight-Bolt Mount

SKU: 160-16533

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Product details

A 1.03-inch nominal thickness sets this 12-inch HP rotor apart from the thinner 0.81-inch rings in the same general size range. The iron casting uses 32 vanes and an eight-hole, 7.00-inch attachment circle for a separate compatible hat. A well-matched brake installation starts with compatible components. Wilwood designs and manufactures disc brake systems that include calipers, rotors, master cylinders, valves, fittings and lines, serving motorsport, street performance and specialized applications. Bill Wood founded the company in 1977 in Camarillo, California; this rotor should be evaluated as part of the complete braking package.

Technical Details

  • Manufacturer part number: 160-16533
  • Quantity: One rotor; not an axle pair
  • Outside diameter: 12.00 inches
  • Nominal thickness: 1.03 inches
  • Rotor material: Iron
  • Construction: 32 vanes
  • Finish: Plain
  • Approximate weight: 13.60 lb
  • Factory burnished: No
  • Dynamically balanced: No
  • Installation orientation: Non-directional
  • Rotor attachment pattern: 8 x 7.00 inches
  • Rotor mounting hole / thread: 0.325 inches
  • Registration / lug inside diameter: 6.45 inches
  • Far-side inside diameter: 8.50 inches
  • Friction-surface references: Exact style field: Plain Face; product family: HPS; supplied photograph: face slots. Confirm the supplied surface before ordering.
  • Intended use and restrictions: Suitable for moderate-temperature racing and street use. Medium-weight castings.

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

Fitment & Compatibility

Check caliper width and the 6.45-inch register before ordering. The friction surface also needs confirmation: Wilwood’s style field, HPS family description and slotted photograph do not identify it consistently.

Surface confirmation: Wilwood’s style field identifies Plain Face, while the HPS family designation and supplied photograph indicate slots. Confirm the actual friction surface with Wilwood before purchase; neither representation is assumed to resolve the discrepancy.

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.