Wilwood Red Right XRS6R Caliper with Six Stainless Pistons, 1.19–1.25-Inch Rotor-Width Range: Red XRS caliper in an angled logo-side view, with an open X-shaped center bridge, retaining hardware and visible six-piston lettering.

Wilwood Red Right XRS6R Caliper with Six Stainless Pistons, 1.19–1.25-Inch Rotor-Width Range

SKU: 120-17213-RD

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Fitment questions?

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

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Product details

The red right-hand Wilwood XRS6R shown here uses six stainless pistons and a nominal 1.25-inch rotor channel. Its 4.04-square-inch effective area is paired with a radial mount, retaining the XRS family's internal transfer passages and open center bridge. 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: 120-17213-RD. Type: Forged XRS6R Radial Mount caliper.
  • Pad fit uses shape 10416. Match the pad to the rotor and intended operating conditions.
  • Construction and surface: forged aluminum, finished in Red Powder Coat.
  • Rotor dimensions: outside diameter 11.75–14.00 inches; nominal width 1.25 inch, with width limits of 1.19–1.25 inch.
  • Hydraulic inlet thread: 1/8-27 NPT. Match the fitting thread and sealing arrangement to the brake hose.
  • Bore sequence 1.62/1.12/1.12 inches across 6 pistons. Piston construction: stainless steel; specified effective area 4.04 square inches.
  • Attachment geometry: radial mount with 5.98-inch centers; right hand. 0.39-inch holes; 1.45-inch mounting height.
  • Piston dust boots: no.
  • 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 5.3 lb.

Fitment & Compatibility

Before installation, compare the bore sequence with the caliper being replaced and establish the correct rotor direction. Check pad clearance and bleed access with the bracket torqued in the intended position.

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.