The Wilwood D154 caliper is a 2.5-inch GM D154-DS brake caliper finished in red with a 1.04 specification for direct GM applications. It replaces D154-family factory calipers where that fitment applies, allowing a like-for-like swap while retaining mounting points. Order matching pads, rotors, and hardware to complete the installation on compatible GM vehicles.
Wilwood 2.5 GM D154-DS Caliper 1.04 Red