Wilwood 120-13900 GM Metric D154-R Single Piston Floater Brake Caliper


  • Piston Diameter: 2.500″
  • Caliper Piston Quantity: Single
  • Rotor Thickness: 1.040″
  • Caliper Finish: Gray Anodized
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SKU: WIL120-13900 Category:

Wilwood GM D154 brake calipers are made from forged billet aluminum for a lightweight, high-strength, and extreme-duty alternative to many GM cast iron calipers used from 1978 to 2002. These GM D154 calipers feature stainless steel pistons and competition-style, high-temperature seals to provide low-maintenance performance and weight savings over OE calipers. These brake calipers are also used for a variety of race and custom street applications that are converting from drum to disc brakes and are available in a wide variety of finishes. Wilwood GM D154 brake calipers are sure to provide consistent and outstanding performance compared to your OE calipers.




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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to