Gauges by Classic Intruments This 6-gauge set features the MOON Equip. "Iron Cross" design on the face of each gauge and includes two (2) 3 3/8" diameter gauges and four (4) 2" diameter gauges. All gauges are electric and include all senders. Sold in set of six only. Large Gauges: 1 electric programmable speedometer; 1 electric tachometer with unique left-facing MOON Equipped eyes. Small Gauges: Fuel, Volt, Temperature and Oil gauges (all electric with senders).Special Order.