› Air Fuel Ratio Gauge Blue LED Indicator Meter 52mm Dia Auto Instrument
52mm/(2 1/16in). 4pcs red+4pcs yellow+2pcs green indicator, can clearly shows whether the air‑fuel ratio is normal. Item Type: Air Fuel Ratio Gauge. Feature: 1. LED: Total 10Pcs, Red x 4Pcs, Yellow x 4Pcs, Green x 2Pcs.