UNITED INSTRUMENTS VSI • $239 • FOR SALE • UNITED INSTRUMENTS 3 1/8 inch VSI. Type III 0-4,000 FT/MIN Part # 7040. Installed in in my RV but went with a different Model. Probably better suited for a Lancair, Rocket or Pitts. One hour on it since new. Price includes shipping in lower 48. • Contact David R. Pohl, Owner - located Bloomfield Hills, MI USA • Telephone: 248 252 7325 . 248 540 0325 • Posted May 8, 2008 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Pictures