Description

The ARM1/ARM1-5.0 (Air/fuel Ratio Meter) is a precision, miniature instrument that provides an easy to read, real time indication of the air/fuel ratio of an internal combustion engine. It features a brilliant, 5-color display that is automatically dimmed for night viewing. It is an ideal monitoring tool for calibrating engine air/fuel ratio or making adjustments while driving.

ARM1 kit (Includes ARM1, EGO1, EGO1 Nut)