Wilwood Left 11.75-inch HD Plain Rotor, Lightweight 1.21-inch Section

SKU: 160-13498

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Product details

The left HD variant retains the smooth face treatment on an 11.75-inch Spec-37 ring. A 1.21-inch friction section provides its specific caliper fit, and the curved-vane orientation must remain correct when mounted. The manufacturer is Wilwood Engineering of Camarillo, California, founded by Bill Wood in 1977. It designs and manufactures disc brake systems, supplying calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized applications. Matching this component requires consideration of the complete brake system.

Technical Details

  • Manufacturer part number: 160-13498
  • Outside diameter / width: 11.75 inches diameter x 1.21 inches wide
  • Material specification: Spec-37 Iron
  • Friction surface / finish: Plain Face; Plain
  • Ventilation: 48 CV; curved
  • Mounting direction: Left-hand
  • Preparation: Balanced: no; factory burnished: no
  • Opposite-side component, ordered separately: 160-13497
  • Rotor-to-hat/hub attachment circle: 8 x 7.00 inches
  • Attachment hole size or thread: 0.316 inches
  • Center registration: 6.38 inches
  • Far-side inside diameter: 8.34 inches
  • Approximate weight: 10.40 lb
  • Quantity: one rotor ring; hat, hub, mounting hardware, calipers and pads are separate

Fitment & Compatibility

Use the complete brake kit to establish axle location, caliper spacing and wheel clearance. This 11.75-inch rotor needs a 8 x 7.00-inch mounting interface with 6.38-inch centering. Pad compound and sweep must be suitable for the ring material and 1.21-inch working section. Select pads and operating duty to suit the rotor material and the intended brake system.

Manufacturer reference: Wilwood rotor specifications

Over 20 years of brake and parts experience support PMB Performance's fitment assistance. We can help assess the specified rotor against the hardware already on the vehicle.