Patented Wide Angle dial design provides the largest viewable dial available in a 2-1/16 gauge. Compatible with most 1-12 cylinder engines with 12v ignitions. Some applications may require a tachometer adapter, sold separately. Patented Wide Angle dial... International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. AutoMeter 5in 0-8,000 RPM Silver and Chrome In-Dash Spek-Pro Tachometer Electric Tachometer Gauge 2-1/16" IN-DASH TACHOMETER, 0-8,000 RPM, SPEK-PRO, WHITE DIAL, BLACK BEZEL, CLEAR LENS 0-8000 RPM Tachometer Some applications may require a tachometer adapter, sold separately. 2-1/16" IN-DASH TACHOMETER, 0-8,000 RPM, SPEK-PRO, WHITE DIAL, BLACK BEZEL, CLEAR LENS Compatible with most 1-12 cylinder engines with 12v ignitions. The highest reading will be stored by the gauge until it is cleared.