Wilwood Right-Hand 16-Inch SRP Ring, Drilled Spec-37 Rotor with 60 Curved Vanes

This right-side SRP option applies drilling and slots to a 16-inch Spec-37 rotor with 60 curved vanes. Its 1.38-inch section and wide twelve-hole flange suit the corresponding large brake assembly, with a listed casting weight of 22.40 lb. Bill Wood established Wilwood in 1977. From Camarillo, California, the company designs and manufactures disc brake systems covering motorsport, street performance and specialized applications, with calipers, rotors, master cylinders, valves, fittings and lines in its product range. This rotor should be selected with the mounting arrangement, friction compound and hydraulic system in mind.

Technical Details

• Manufacturer part number: 160-8955-BK
• Quantity: One rotor; not an axle pair
• Outside diameter: 16.00 inches
• Nominal thickness: 1.38 inches
• Rotor material: Spec-37 Iron
• Construction: 60 curved vanes
• Friction surface: SRP Drilled & Slotted
• Finish: Black Electro Coat
• Approximate weight: 22.40 lb
• Factory burnished: No
• Dynamically balanced: Yes
• Installation orientation: Right-hand
• Rotor attachment pattern: 12 x 10.75 inches
• Rotor mounting hole / thread: 0.316 inches
• Registration / lug inside diameter: 10.00 inches
• Far-side inside diameter: 11.76 inches
• Opposite-hand companion rotor: 160-8956-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

Confirm the 10.75-inch attachment circle and 0.316-inch holes. Wilwood identifies comparable HD or GT rotors for applications prioritizing the greatest racing durability.

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.