Wilwood Anodized Forged Superlite Internal Brake Caliper, 1.25-Inch Pistons / 0.81-inch Rotor Width

SKU: 120-11126

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Fitment questions?

Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.

Product details

Four equal 1.25-inch stainless pistons give this anodized FSLI its 2.46-square-inch effective area. The forged body is the nominal 0.81-inch rotor-width version, with the Superlite's 7420 pad arrangement and internal fluid crossovers. With a range spanning calipers, brake rotors, master cylinders, valves, fittings and brake lines, Wilwood Engineering designs and manufactures complete disc braking systems and their components. Bill Wood founded the Camarillo, California-based company in 1977 for a market now covering motorsport, street-performance and specialized applications.

Technical Details

  • Manufacturer part number: 120-11126. Component: Forged Superlite Internal caliper.
  • Supply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.
  • Body: forged aluminum; finish: Type III anodize.
  • Rotor compatibility: nominal width 0.81 inch; diameter 11.75–13.06 inches. Specified rotor-width limits: 0.75–0.84 inch.
  • Mounting: lug, 3.50-inch centers; universal orientation. Mount holes: 0.45 inch; height: 2.85 inches.
  • Pistons: 4 stainless steel; bore specification: 1.25 inches. Effective piston area: 2.46 sq in.
  • Caliper weight: approximately 5.2 lb.
  • Compatible brake pad shape: 7420; choose the required compound for the brake system.
  • Hydraulic inlet thread: 1/8-27 NPT. Use a fitting with the correct thread and sealing seat.
  • Piston dust boots: not fitted.

Fitment & Compatibility

Compare the 3.50-inch lug bracket with the rotor's centerline and pad sweep. Do not substitute the same-bore wide-rotor body without checking the lateral mounting offset.

PMB Performance brings more than 20 years of experience to brake-part selection. Include the existing caliper, rotor and mounting details when requesting help with this assembly.