AEM X-Series Boost Gauge 30-60 psi Electric Digital - 2-1/16" Diameter SB-BK-H Designed for use with 1-3/8"

Designed for use with 1-3/8" quick turn springs

Know exactly where brake adjustments are set

Includes FLEX helmet posts that mount directly to the M6 nut in your helmet

Zamp Racing’s new Underwear Top and Bottom provide an additional safety layer under your race suit

All Stilo closed faced helmets come ready for integrated electronics

AEM X-Series Boost Gauge 30-60 psi Electric Digital - 2-1/16" Diameter SB-BK-H Designed for use with 1-3/8"2 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 User selectable standard or metric display ( 30in Hg~60PSI 1~4BAR) Peak Recall via gauge face buttons User selectable threshold warnings (excl. Volts) Optional silver bezel with white faceplate(s) accessory kits available (sold separately) AEMnet CANbus enabled for