AEM 52mm Boost Gauge Digital Displays -30 to 35 psi WRX & STi / Universal | 30-4406 Perrin Brian Crower valve springs are

Brian Crower valve springs are wound from only the highest grade

FITMENT: 03-09 350Z & 03-07 G35 Sedan & 03-07 G35 Coupe

22mm in sizing (7/8 inch)

allowing you to run high boost levels without worry

heavy-duty internals

AEM 52mm Boost Gauge Digital Displays -30 to 35 psi WRX & STi / Universal | 30-4406 Perrin Brian Crower valve springs areAEM's digital display gauges feature a standard 52mm gauge housing that fits in most gauge pods and can be remotely mounted virtually anywhere. Each gauge includes interchangeable silver and black bezels & black and white faceplates to personalize the look of your gauge; it's like having four designs in one! Each gauge includes 24 color coded LED lights that change from green to yellow to red for immediate reference to the measured parameter as well