I Fly a CH750 and a RV4. I recently upgraded the RV4 engine to a 180HP and replaced the panel with glass. I have a number of instruments that would like to sell. These instruments were installed on a Lycoming O320 and were working when removed.  Electronics International US-8A-4 EGT/CHT engine analyzer including probes $550E.I. FP-5 Fuel Flow does not include transducer, $150E.I. M-1 Manifold P…