Related Clues:

• Gauge displaying rpm's
• Gauge with a red line, for short
• Gauge on the dash
• It measures rpm
• Dash gauge, for short
• Auto dial
• Dash gadget
• Engine speed gauge, briefly
• Tachometer, for short
• Rev counter
• Gauge on a car's dash
• Gauge showing revs
• Meter on a dashboard
• Speed dial, briefly?
• Dash display