Confirm quality. If got problem 1 to 1 exchange. Brand new in box No installation provided, still looking for workshop to partner -Volt -Oil temp. -Oil pres. -Water temp. -Boost -Tachometer (RPM) -Vaccum Exhaust temp & Air fuel ratio need to check have anot $50 net/pcs. We dont like to beat arnd the bush. We dont List high price later let u discount until the price we want etc. Straight forward $50net. Like this u also can save time instead of browsing arnd and arnd. All set comes with wiring harness, standard meter stand, visior. Can change 7 colors Want to mail or meet up under our home office.