Wilwood Right XRS6R Black Brake Caliper, 1.38/1.12/1.12-Inch Bores for 1.10-Inch Rotor Width: Black XRS caliper in an angled logo-side view, with an open X-shaped center bridge, retaining hardware and visible six-piston lettering.

Wilwood Right XRS6R Black Brake Caliper, 1.38/1.12/1.12-Inch Bores for 1.10-Inch Rotor Width

SKU: 120-17207-BK

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Product details

This black right-hand Wilwood XRS6R uses six pistons with a 1.38/1.12/1.12-inch bore sequence. It combines differential hydraulic loading with the XRS forged body and nominal 1.10-inch rotor channel, for a dimensionally matched brake system. Founded in 1977 by Bill Wood, Wilwood Engineering is based in Camarillo, California. It designs and manufactures disc braking systems for motorsport, street-performance and specialized applications, with a component range covering calipers, brake rotors, master cylinders, valves, fittings and brake lines.

Technical Details

  • Manufacturer part number: 120-17207-BK. Type: Forged XRS6R Radial Mount caliper.
  • Construction and surface: forged aluminum, finished in Black Powder Coat.
  • Attachment geometry: radial mount with 5.98-inch centers; right hand. 0.39-inch holes; 1.45-inch mounting height.
  • Bore sequence 1.38/1.12/1.12 inches across 6 pistons. Piston construction: stainless steel; specified effective area 3.46 square inches.
  • Pad fit uses shape 10416. Match the pad to the rotor and intended operating conditions.
  • Rotor dimensions: outside diameter 11.75–14.00 inches; nominal width 1.10 inch, with width limits of 1.00–1.10 inch.
  • Piston dust boots: no.
  • Hydraulic inlet thread: 1/8-27 NPT. Match the fitting thread and sealing arrangement to the brake hose.
  • Component: one individual hydraulic brake caliper. Select the mating rotor, pads, mounting hardware and line connection to suit the complete brake assembly.
  • Caliper component weight: approximately 5.2 lb.

Fitment & Compatibility

Install the right-hand configuration with the correct leading and trailing piston arrangement for the bracket location. Front-of-spindle or rear-of-spindle positioning is not the same as a vehicle's front or rear axle designation.

With 20+ years of experience, PMB Performance can help assess the brake hardware. Provide the caliper number, rotor dimensions and bracket measurements when asking about compatibility.