Wilwood Four-Piece Caliper Square-Ring and Dust-Seal Kit, 2.500-Inch Inside Diameter

SKU: 130-17064

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Fitment questions?

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

Product details

This four-piece combination kit supplies square piston rings and dust seals for the assigned 2.500-inch-ID service arrangement. The square-ring entry lists a 0.099-inch thickness. It is a defined combination pack and should not be confused with a four-pack containing only round or square piston seals. Based in Camarillo, California, Wilwood Engineering was founded by Bill Wood in 1977. The manufacturer produces disc brake systems and components for motorsport, street-performance and specialized applications, with a range covering calipers, brake rotors, master cylinders, valves, fittings and brake lines. Individual components are chosen to suit the complete brake system.

Technical Details

  • Manufacturer part number: 130-17064
  • Service component: Caliper Square Ring and Dust Seal Kit
  • Seal profile: Square-Ring
  • Manufacturer-listed seal inside diameters: 2.500 inches
  • Listed seal thickness: 0.099 inch
  • Manufacturer material code: 210M
  • Pack quantity: 4 Pack
  • Seal fluid compatibility: DOT 3, DOT 4 and DOT 5 as specified for these seals. Follow the complete caliper and vehicle fluid requirements; do not mix silicone DOT 5 with DOT 3, DOT 4 or DOT 5.1.

Fitment & Compatibility

Confirm the caliper’s exact service-kit reference, pressure-seal groove and dust-seal design. Similar diameter does not establish equivalence to other two-and-a-half-inch seal sets. Use the parts list and inspection results to identify any additional components needed, and calculate coverage from the real caliper arrangement rather than pack count alone.

PMB Performance brings over 20 years of brake and parts experience to selection questions. Send the existing caliper reference and brake-package details for help checking compatibility.