Black Professional Tachometer with Action Replay

Description Documentation The original and still the best genuinely professional tachometer. This race-proven and award winning design guarantees exceptional accuracy and robustness over many years of use. Professional Tachometers now feature RPM Data Logging and on-dial playback as standard recording up to 25 minutes of RPM history. • Monster dial face fits standard 80mm, drag and Porsche Tacho cut-outs. • Ultra high accuracy guaranteed for life • Proven Stack stepper motor movement -best performer for over 10 years. • Professional Tachometers now feature RPM Data Logging and on-dial playback as standard recording up to 25 minutes of RPM history The ST400 Recording Tachometer was Stack's first product, which in its day (more than twenty five years ago) provided the only on-vehicle solution for accurate RPM display and logging. As a direct result, this unit immediately gained widespread acceptance with Formula One teams and all forms of professional motorsport. These tachometers ha