GM Metric Race Caliper 2.50 / 1.040

The Wilwood GM Metric Race Caliper 2.50 / 1.040 (Part Number 120-13900) is a single-piston aluminum brake caliper designed for high-performance racing and motorsport applications. This caliper is ideal for road racers, amateur autocross competitors, and track enthusiasts looking to upgrade from OEM brake systems.

Engineered to accommodate rotors with a maximum outer diameter of 12.190 inches and a thickness of 1.040 inches, the caliper features a lightweight aluminum construction that offers corrosion resistance and durability. The design allows for effective thermal management during high-stress racing conditions, ensuring consistent performance.

Racing drivers appreciate Wilwood calipers for their reliable modulation and minimal fade, making them suitable for both club-level and higher motorsport categories. The compatibility with GM metric rotor standards ensures easy integration into existing brake packages commonly found in modern performance vehicles.