Wilwood Left-Hand 12.19-Inch SRP Rotor with 7.78-Inch Attachment Circle

SKU: 160-6925-BK

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Product details

This left-hand SRP rotor combines the directional drilled-and-slotted face with a 7.78-inch mounting circle. Its 12.19 x 0.81-inch iron ring is not interchangeable with other eight-bolt versions unless the larger center register and hole sizes also match. 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: 160-6925-BK
  • Quantity: One rotor; not an axle pair
  • Outside diameter: 12.19 inches
  • Nominal thickness: 0.81 inches
  • Rotor material: Iron
  • Construction: 32 vanes
  • Friction surface: SRP Drilled & Slotted
  • Finish: Black Electro Coat
  • Approximate weight: 8.60 lb
  • Factory burnished: No
  • Dynamically balanced: No
  • Installation orientation: Left-hand
  • Rotor attachment pattern: 8 x 7.78 inches
  • Rotor mounting hole / thread: 0.251 inches
  • Registration / lug inside diameter: 7.29 inches
  • Far-side inside diameter: 8.53 inches
  • Opposite-hand companion rotor: 160-6924-BK (sold separately)
  • Intended use and restrictions: For racing durability, Wilwood recommends comparable ULHP or GT rotors. Suitable for moderate-temperature racing and street use. Medium-weight castings.

The hat or hub, fasteners, caliper and pads are not included.

Fitment & Compatibility

Use the 7.29-inch register and 0.251-inch mounting holes as part of the fit check. Review Wilwood’s comparable ULHP or GT options for applications prioritizing racing durability.

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.