1957 Chevy Authentic Package 4 5/8" Speedometer 140 MPH, Tachometer 8,000 RPM, Oil, & Volt 2 1/8" Fuel (0-30 OHM), & Temp with Stainless Low Step Bezel Flat Glass Lens.Works directly with ECM or VSS signals, no additional control boxes are needed. Fuel sending unit not included, gauge is calibrated to stock 0-30 OHM