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Product details
This right-hand GT ring uses the iron material specified for this version of the casting. Its 12.88-inch slotted face is 0.81 inch thick, with 48 curved vanes and a twelve-hole flange for the corresponding hat. Since its founding by Bill Wood in 1977, Wilwood has designed and manufactured disc brake systems from its base in Camarillo, California. Its products span rotors, calipers, master cylinders, valves, fittings and lines for motorsport, street performance and specialized applications. Brake selection should account for the whole installation, including mounting dimensions, friction materials and hydraulic balance.
Technical Details
- Manufacturer part number: 160-9959
- Quantity: One rotor; not an axle pair
- Outside diameter: 12.88 inches
- Nominal thickness: 0.81 inches
- Rotor material: Iron
- Construction: 48 curved vanes
- Friction surface: GT Slotted
- Finish: Plain
- Approximate weight: 10.20 lb
- Factory burnished: No
- Dynamically balanced: Yes
- Installation orientation: Right-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: 160-9960 (sold separately)
- Intended use and restrictions: Suitable for moderate-temperature racing and street use. Heavy-duty iron construction with 48 vanes.
The hat or hub, fasteners, caliper and pads are not included.
Fitment & Compatibility
Confirm the 8.25-inch register and 9.46-inch far-side inside diameter. The thinner 0.81-inch ring is a different caliper application from the 1.25-inch rotor of the same diameter.
Wilwood product specifications · Rotor dimension diagram
Put PMB Performance’s 20-plus years of brake knowledge to work when matching this part to your build. We can help review the dimensions and application requirements.
