Autometer's 2"Ultra-lite mechanical boost gauge is our most popular seller.  If you are running a turbocharged or supercharged engine, this gauge is a must-have. 

The Autometer mechanical boost gauge reads from 30 in/Hg vacuum all the way to 20 psi boost.  It has a silver face and bezel, and a bright red needle.

Whether you have a normally aspirated or forced induction engine, any serious engine modifications will require the use of an Air/Fuel ratio gauge to warn you if the mixture is too lean or too rich.

Auto Meter's 2"electrical A/F ratio gauge uses 20 small LEDs arranged in a sweeping pattern to indicate "lean,""stoichiometric,"and "rich."  Although the Auto Meter gauge is not as accurate as a wide band Lambda sensor,...

Don't let an electrical problem leave you stranded on the side of the highway, where you might die from thirst, starvation, or an errant cell-phone-talking driver!  A voltmeter gauge can give you an early warning of an alternator failure or excessive current draw from a powerful sound system.

VDO's voltmeter gauge is 2-1/16"diameter and is backlit for night time driving.  Gauge measures from 8 to 16 volts.