Dolphin Automotive Gauges feature a Convex gauge lens, air core movements, glare free lighting, polished stainless or gold bezels, and come in a choice of face colors. All Gauge Sets come with water, oil, and fuel sending units. Manual Speedometer and Tachs are 3-3/8" and Oil, Temp, Volt and Fuel are 2-1/16". 6 Gauge sets include:* 140 M.P.H. Speedometer gauge* Temperature gauge and water temperature sending unit for engine.* Fuel level gauge and fuel sending unit for gas tank.* Oil pressure gauge and oil sending unit for engine.* Voltmeter gauge.* Mounting hardware and installation instructions.* Mechanical sets include a mechanical Speedo and four electronic gauges.* 8,000 RPM ingition Tachometer Gauge6 Gauge w/Mechanical Speedo- $209.00 per SetShips in 16" x 7" x 9" Box