Upgrade your Subaru’s engine management with the Prosport Digital Wideband Air Fuel Ratio Gauge featuring a vibrant blue display. This premium gauge provides the most accurate AFR readings, helping you optimize performance and protect your engine. Designed for enthusiasts who demand precision, it’s perfect for WRX, STI, BRZ/86, and more.

Equipped with the latest Bosch LSU 4.9 5-wire heated O2 sensor, this gauge covers an extensive AFR range from 10.0:1 to 20.0:1. The clear blue LCD readout sits at the center, while the surrounding LED bar graph shifts colors from green (rich) to yellow (optimal) to red (lean), giving instant AFR feedback. The kit includes the gauge, Bosch sensor, UEGO control box, wiring harness, weld-in bung, decals, and visor for a plug-and-play install.

Ideal for Subaru enthusiasts focused on tuning and monitoring air-fuel ratios, this gauge ensures reliable data for safe and efficient engine operation. Enhance your performance setup today with Subimods’ trusted selection. Shop now and take control of your Subaru’s fueling.