UPGRADE YOUR GRAND RAPIDS EIS • $899 • NOW AVAILABLE • Upgrade your Grand Rapids EIS today with a drop-in replacement from Wapsi Aero. Our new affordable engine monitor offers features found in a modern glass-panel at a fraction of the cost. All engine data is shown on one easy-to-read page with clear ranges and on-screen alarms. Integrated airspeed and altitude make it ideal for tight panels. Monitors RPM, EGT (4), CHT (4), oil pressure/temp, OAT, coolant temp, voltage, fuel level, and hobbs time. Features include a bright sunlight-readable display, user-configurable limits, simple layout, and anodized aluminum bezel. • Contact Kyle Sulek - WAPSI AERO LLC , - located Marion, IA 52302 United States • Telephone: ---------- • Posted June 6, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images