EI ENGINE MONITORS
& GAUGES.
Authorized installation and service of Electronics International engine monitors, including the CGR-30P, MVP-50P, and US-8A. Clean panel work, proper probe placement, and a flight-test handoff.


FAA Approved Primary Replacement — FAA TSO'd, STC'd, TCCA Validated, EASA Validated.
Remove your old primary engine instruments, including RPM, Manifold, EGT/CHT, Fuel Level, Oil Pressure, Oil Temperature, Volts, Amps, OAT, Fuel Flow, Fuel Pressure, TIT and more. Upgrade your aircraft panel with the best engine analyzer combo available.
Clean Install — the CGR-30P and CGR-30C fit into your existing 3 1/8″ holes (remove your old Tach and MP). The Engine Data Converter (EDC) accepts all inputs, so only 2 wires run to the back of the instruments.
Accurate, Dependable & Easy To Use — Electronics International has consistently been a leader in digital engine instrumentation since 1979.
Data Recording of Every Flight — all monitored functions are stored up to three times per second, with up to the 1,500 most recent flights stored and downloaded via a USB port.
- FAA TSO'd, STC'd, TCCA & EASA validated primary replacement
- CGR-30P / CGR-30C combinations in existing 3 1/8″ holes
- EDC converter — only 2 wires to the back of each instrument
- Flight data recording 3x/second, 1,500 flights via USB
- MVP-50P primary replacement
- EGT/CHT probe replacement and calibration
- Panel cutouts, harness fabrication, logbook entries
EI Systems
Choose your monitor or gauge
From FAA-approved primary replacements to individual LED arc gauges, we install and support the full Electronics International line.

CGR-30P + CGR-30C
Combo package covering engine, fuel, oil, electrical and OAT in two 3 1/8″ holes.

CGR-30P Premium
FAA-approved primary replacement engine analyzer in a single 3 1/8″ instrument.

MVP-50P
5.7″ sunlight-readable glass display monitoring dozens of engine parameters.

Primary Replacement Gauges
M-1 manifold pressure, FL-1/FL-2 fuel level, R-1 RPM and OPT-1 oil instruments.



CGR-30P + CGR-30C Combo Package
One 3 1/8″ instrument replaces your Tach, MP, EGT/CHT, fuel flow, fuel pressure and TIT gauges — with a bright color display, scan mode, and configurable alarms. Pair it with the CGR-30C for the full combo and cover oil, fuel level, volts, amps and OAT.
- • Fits existing 3 1/8″ panel holes
- • EDC accepts all inputs — 2-wire run to the display
- • Records every flight, 3x per second, USB download


CGR-30P Premium Engine Monitor
FAA-Approved · Primary Replacement STC’d, TSO’d & PMA’d
Remove your old engine instruments, including RPM, Manifold, EGT/CHT, Fuel Level, Oil Pressure and more. Upgrade your aircraft panel with the best engine analyzer available.
Easy to install — the CGR-30P fits into your existing 3 1/8″ hole (remove your old tach), and the Engine Data Converter (EDC) accepts all inputs with only 2 wires running to the back of the instrument.
Accurate, dependable and easy to use — Electronics International has consistently been a leader in digital engine instrumentation since 1979. Every flight is recorded, with all monitored functions stored up to three times per second and the 1,500 most recent flights downloaded via USB.

MVP-50P Engine Monitor
Large high-resolution display — the MVP-50P incorporates a 5.7″ sunlight-readable display so you can accurately monitor dozens of engine and system parameters in one location.
Clean installation — MVP-50P mounts flush with the panel, creating a clean panel look and feel. An Engine Data Converter (EDC) accepts all inputs, with only 2 wires running to the back of the instrument.
Accurate, dependable and easy to use — Electronics International has consistently been a leader in digital engine instrumentation since 1979.
Data recording of every flight — all monitored functions are stored up to three times per second, with up to 1,500 of the most recent flights stored and downloaded via a USB port.


Primary Engine Instrument Replacement
Individual FAA-approved primary replacement instruments for manifold pressure and single fuel level. Drop-in LED arc gauges that replace legacy gauges in existing panel holes.
- • M-1 Manifold Pressure — STC'd / TSO'd primary replacement
- • FL-1 Single Fuel Level — Gallons, Liters and Pounds switching
- • Fits existing 2 1/4″ and 3 1/8″ panel cutouts
Ready to modernize?
Tell us about your aircraft and what you'd like installed. We'll get back within one business day.