Yes it replaces all of the stock gauges. Mine logs RPM, MPH, Oil PSI, Fuel PSI, Water temp, Oil temp, ambient air temp, Gear, Lambda, Throttle position, Volts, G's and date n time. Alternate inj duty cycle, lap count, lap time. It also features LED high/low warnings which can be set for whichever sensors. It has a 5 LED shift light that you can set at which RPM each LED comes on. It captures Max RPM and has a whole host of logging and analysis software. You acn add other things too such as video, GPS and a few other things.
Sorry to go waaaaay off the subject of the PMR Billet top tripple tree...