Classic Instruments teamed up with Tom Gale, who was Chief Designer at Chrysler, to produce these beautiful gauges. They feature curved glass, a raised logo and the vintage appearance you are looking for. The speedo is 3-3/8", while the rest are 2-1/8.
They come as a 5 gauge set that includes GM style sending units. The fuel sender is 240-33 Ohm. The tach is 3-3/8".