Wilwood Red Right-Hand XRS6R Six-Piston Caliper, 5.98-Inch Radial Attachment: 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-Hand XRS6R Six-Piston Caliper, 5.98-Inch Radial Attachment

SKU: 120-17207-RD

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Product details

A red forged housing carries the six stainless pistons of this right-hand Wilwood XRS6R. Its smaller differential-bore combination provides 3.46 square inches of effective area while retaining the family's 5.98-inch radial mounting pattern. From its base in Camarillo, California, Wilwood Engineering designs and manufactures disc brake systems and components. Bill Wood founded the company in 1977; its motorsport, street-performance and specialized range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines.

Technical Details

  • Manufacturer part number: 120-17207-RD. Type: Forged XRS6R Radial Mount caliper.
  • Rotor channel: 1.10-inch nominal width. Specified width limits: 1.00–1.10 inch; rotor outside diameter: 11.75–14.00 inches.
  • Piston arrangement: 6 stainless steel pistons; bore specification 1.38/1.12/1.12 inches. Effective piston area: 3.46 square inches.
  • Caliper body: forged aluminum; finish: Red Powder Coat.
  • Mounting: radial, 5.98-inch centers; orientation: right hand. 0.39-inch holes; 1.45-inch mounting height.
  • Brake pad shape: 10416. Choose pad dimensions and friction material for the brake system.
  • Hydraulic inlet thread: 1/8-27 NPT. Match the fitting thread and sealing arrangement to the brake hose.
  • Piston dust boots: no.
  • Caliper component weight: approximately 5.2 lb.
  • Component: one individual hydraulic brake caliper. Select the mating rotor, pads, mounting hardware and line connection to suit the complete brake assembly.

Fitment & Compatibility

Match the bore sequence and rotor direction, then verify that the bracket aligns the pads on an 11.75–14.00-inch rotor. The nominal 1.10-inch width identifies this bridge configuration; a different-width caliper is not interchangeable by color alone.

PMB Performance brings over 20 years of experience to brake-component selection. Share the installed caliper, rotor size and mounting arrangement so the relevant dimensions can be compared.