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Product details
Wilwood's cup piston is listed for specified GM III/GM Metric calipers. Match its 2.38-inch diameter, 1.500-inch length and seal arrangement. Wilwood Engineering’s work covers the design and manufacture of disc brake systems for motorsport, street-performance and specialized applications. Bill Wood founded the company in 1977 in a business now based in Camarillo, California. Its calipers, master cylinders, brake rotors, brake lines, valves and fittings must be selected around the complete system.
Technical Details
- Manufacturer part number: 200-1119
- Overall length: 1.500 inches
- Piston construction: Cup
- Material: Stainless
- Outside diameter: 2.38 inches
Fitment & Compatibility
Confirm the caliper identification, piston diameter and available cavity depth before ordering. The listed dimensions describe the replacement component and do not establish universal caliper fitment. Cup construction is part of the required piston configuration. Match the intended caliper, not an unrelated unit with the same nominal diameter.
Manufacturer Reference
Wilwood component specifications and dimensions
PMB Performance brings over 20 years of experience to brake-component selection. Provide the actual hardware specification when the brake system has been modified.
