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Product details
The 1.21-inch width distinguishes this lightweight HD rotor from a conventional 1.25-inch ring. Its right-hand Spec-37 casting carries 48 curved cooling vanes and smooth friction faces around an 11.75-inch diameter. Wilwood Engineering designs and manufactures disc brake systems from its base in Camarillo, California. Bill Wood founded the company in 1977; its range now includes calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized uses. Selection must account for the entire brake system.
Technical Details
- Manufacturer part number: 160-13497
- Rotor size: 11.75 inches diameter x 1.21 inches wide
- Rotor material: Spec-37 Iron
- Face and finish: Plain Face; Plain
- Vanes: 48 CV; curved
- Mounting direction: Right-hand
- Factory condition: Factory burnished no; balanced no
- Opposite-side component, ordered separately: 160-13498
- Rotor-to-hat/hub attachment circle: 8 x 7.00 inches
- Attachment hole size or thread: 0.316 inches
- Center / lug registration: 6.38 inches
- Far-side inside diameter: 8.34 inches
- Approximate component weight: 10.40 lb
- Quantity: one rotor ring; hat, hub, mounting hardware, calipers and pads are separate
Fitment & Compatibility
The 1.21-inch-width HD ring must be centered inside the intended caliper, with pads covering the specified band of the 11.75-inch face. Attach it to the matching eight-bolt hat and check the 6.38-inch register. Right-hand curved vanes determine the correct direction of rotation.
Manufacturer reference: Wilwood rotor specifications
Contact PMB Performance with the rotor and brake-system details for fitment assistance informed by more than 20 years of experience.
