The AutoMeter Sport-Comp ruggedness and trademark tough appearance have become the standard in all forms of racing along with high performance street machines. AutoMeter's original "Monster" Tachometers set the style for high performance tachometers with the 5" dial face and fluorescent red pointer for quick glance viewing. All other gauges are compared to the Sport-Comp gauge line. This series is race proven yet still affordable to the average racer. Street machine enthusiasts have often used this series to create a custom race look in their cars. The Sport-Comp series is still one of the best all around buys in high performance instruments. The reliable performance of Sport-Comp mechanical gauges is available in the standard 2-5/8" size and also in the smaller 2-1/16" size when space is limited. The mechanical gauges feature a rugged bourdon tube for quick response and accurate measurements. The electrical gauges include a rugged air core meter movement for maximum accuracy and quick response time. These are easy to install and also very dependable. The Full Sweep Electrical Gauge series from AutoMeter sets a new standard in gauge accuracy. The increased sweep makes quick glance viewing easy, while the transducer is the most accurate sender available. Sizes: 2-5/8" (mechanical, electrical, full sweep electrical) 2-1/16" (mechanical, electrical, and full sweep electrical).