Wilwood WIL120-16101 Caliper GM Metric Cast Iron 2.50in Piston

Wilwood WIL120-16101 Caliper GM Metric Cast Iron 2.50in Piston is listed by Motorstate as a Disc Brake Calipers for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Wilwood components in the Disc Brake Calipers category. The manufacturer part reference is 120-16101, while the Motorstate part number is WIL120-16101. Catalog description context: Brake Caliper - GM Metric - 1 Piston - Iron - Natural - 11.750 in OD x 1.040 in Thick Rotor - 5.460 in Floating Mount - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.