INSIGHT GRAPHIC ENGINE MONITOR • $4,000 • FOR SALE • Insight Gemini 1200 Graphic Engine Monitor 10-33V PN 1200-001 w/ EGT/CHT probes, new surplus. • Contact Doc Aviation - DOC AVIATION LLC , Owner - located Gainesville, TX 76240 United States • Telephone: (940) 612-5087 • Posted June 25, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad