Wilwood Left XRS6R Anodized Brake Caliper, 4.04-Square-Inch Effective Area: Gray XRS caliper in an angled logo-side view, with an open X-shaped center bridge, retaining hardware and visible six-piston lettering.

Wilwood Left XRS6R Anodized Brake Caliper, 4.04-Square-Inch Effective Area

SKU: 120-17212

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Product details

A six-piston differential layout and left-hand body distinguish this anodized Wilwood XRS6R. It is the 1.10-inch nominal rotor-width version with a 4.04-square-inch effective area, intended as a component of a brake package whose bracket and hydraulics are already defined. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company designs and manufactures disc brake systems and components, including calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized applications.

Technical Details

  • Manufacturer part number: 120-17212. Type: Forged XRS6R Radial Mount caliper.
  • Piston arrangement: 6 stainless steel pistons; bore specification 1.62/1.12/1.12 inches. Effective piston area: 4.04 square inches.
  • Rotor channel: 1.10-inch nominal width. Specified width limits: 1.00–1.10 inch; rotor outside diameter: 11.75–14.00 inches.
  • Mounting: radial, 5.98-inch centers; orientation: left hand. 0.39-inch holes; 1.45-inch mounting height.
  • Hydraulic inlet thread: 1/8-27 NPT. Match the fitting thread and sealing arrangement to the brake hose.
  • Caliper body: forged aluminum; finish: Type III Anodize.
  • Brake pad shape: 10416. Choose pad dimensions and friction material for the brake system.
  • Component: one individual hydraulic brake caliper. Select the mating rotor, pads, mounting hardware and line connection to suit the complete brake assembly.
  • Piston dust boots: no.
  • Caliper component weight: approximately 5.2 lb.

Fitment & Compatibility

Compare the 10416 pad shape and actual rotor contact track before fitting. The 5.98-inch center spacing is one measurement only; mounting height, rotor offset and hose access determine the rest of the installation.

PMB Performance has over 20 years of brake-component experience. Send the existing caliper identification, rotor measurements and mounting details for help comparing this configuration.