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. The Classic Truck Package for 1947-1953 GMC Trucks LS Sending Units Features Built-in ECM signal filter switch, on-board filter switch to allow direct connections to ECM speed signals, no additional control boxes needed Our ZST™ equipped instruments do not require external control boxes Fuel gauge 240-33 OHM Single-connector wiring harness for quicker setup All-electric cluster with original styling Model specific trim ring and mounting hardware included All necessary sending units included Seamless fit into existing dash/bezel
