Stack ST100 Sport tachometers provides contemporary styling and a highly responsive and accurate air-core meter movement capable of precisely tracking quick-revving performance engines, making them an excellent upgrade for track day and club sport applications.

• Configurable for use with 1 - 4 pulse per revolution RPM signals (2-8 cylinder engines) found in conventional, performance and racing ignitions and ECUs.
• Race proven air-core movement offers quick and accurate readings with a needle so responsive it can go from 0 - full scale in 333 milliseconds
• Maintenance free crisp white LED through dial illumination ensures excellent visibility in all lighting conditions
• Gauge kit includes mounting hardware and detailed instructions for installation
• Perfect match for Stack 88mm Electronic Speedometers and 52mm Auxiliary Gauges
• High contrast red dial emphasizes driver focus on this critical instrument.
• Compatible with 12 and 16 volt electrical systems