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Product details
This left-side rotor uses the SRP drilled-and-slotted surface on a 12.88-inch Spec-37 casting. The 1.25-inch ring is balanced and black electro-coated, with a twelve-hole attachment flange and 8.25-inch registration bore. A rotor must suit both the mechanical installation and the rest of the braking system. Wilwood brings that system perspective to its calipers, rotors, master cylinders, valves, fittings and lines, designing and manufacturing disc brake systems for motorsport, street performance and specialized applications. Bill Wood founded the Camarillo, California company in 1977.
Technical Details
- Manufacturer part number: 160-7173-BK
- Quantity: One rotor; not an axle pair
- Outside diameter: 12.88 inches
- Nominal thickness: 1.25 inches
- Rotor material: Spec-37 Iron
- Construction: 48 curved vanes
- Friction surface: SRP Drilled & Slotted
- Finish: Black Electro Coat
- Approximate weight: 11.50 lb
- Factory burnished: No
- Dynamically balanced: Yes
- Installation orientation: Left-hand
- Rotor attachment pattern: 12 x 8.75 inches
- Rotor mounting hole / thread: 0.251 inches
- Registration / lug inside diameter: 8.25 inches
- Far-side inside diameter: 9.46 inches
- Opposite-hand companion rotor: 160-7172-BK (sold separately)
- Intended use and restrictions: For racing durability, Wilwood recommends comparable HD or GT rotors. Suitable for moderate-temperature racing and street use. Spec-37 heavy-wall castings.
The hat or hub, fasteners, caliper and pads are not included.
Fitment & Compatibility
Verify the 9.46-inch far-side inside diameter and caliper sweep. Comparable HD or GT rotor designs are the manufacturer’s alternatives where racing durability is the deciding requirement.
Wilwood product specifications · Rotor dimension diagram
With over 20 years of brake experience, PMB Performance can help you compare the installed assembly with this rotor’s dimensions before ordering.
