The AutoMeter billet dash panel adapts Sport‑Comp gauges for 1955–1959 GMC truck dashboards, providing two 3‑3/8-inch and four 2‑1/16-inch openings. This gauge kit organizes multiple instruments into a unified cluster, easing the installation of AutoMeter gauges while keeping correct openings and a factory‑style alignment suitable for those classic GMC trucks.
AutoMeter Sport-Comp 55-59 GMC Truck Billet Panel/Gauge Kit - 3-3/8in. (x2) & 2-1/16in. (x4)