Overview 1947-53 GMC Truck Package;features;an all new style designed to replicate the OE look. Billet aluminum center medallions and factory correct colors bring that retro look back into your truck while maintaining gauges that function with today's technology. It has;a 4 5/8" Speedtachular;(Speedo/Tach combination gauge) and Quad (Fuel, Oil, Temp, Volt combination gauge) with stainless low step bezels and flat glass lenses. This package is also available with our 4 5/8” standard speedometer in place of the Speedtachular. The Classic Truck Package for 1947-1953 GMC Trucks Features All necessary sending units included Seamless fit into existing dash/bezel All-electric cluster with original styling Built-in ECM signal filter switch, on-board filter switch to allow direct connections to ECM speed signals, no additional control boxes needed Single-connector wiring harness for quicker setup Model specific trim ring and mounting hardware included Fuel gauge 240-33 OHM Our ZST™ equipped instruments do not require external control boxes