AEM Tru-BoostX Boost Controller - Programmable - Gauge Type - Electric - Digital - 2-1/16" Diameter - Black Face 4704021-20-S and sizes listed are men’s

and sizes listed are men’s sizes

but it is recommended that they are replaced as part of your vehicle's maintenance program

Installation Kit #RJS90906 available (sold separately)

750 in Bolt Circle

Six-point socket fits 3" axle hex nuts

AEM Tru-BoostX Boost Controller - Programmable - Gauge Type - Electric - Digital - 2-1/16" Diameter - Black Face 4704021-20-S and sizes listed are men’s2 1 16th (52mm) gauge diameter for easy mounting in gauge pods Programmable center LED is 87% larger than original AEM gauges 24 green outer LEDs for quick reference to engine parameter A boost display gauge and boost controller in one! Easy to program no laptop required On board 80PSIg MAP sensor no upgrade kit needed for high boost vehicles Two boost level settings and scramble boost setting AEMnet CANbus enabled for transmitting data to EMS or Data