Listing: EI Engine Monitors

CGR-30P & CGR-30C Primary 4-Cylinder Engine Monitor Combo
Item: EI CGR-30COMBO-4
Price: $4,997.00
Price: $4,997.00
Electronics International CGR-30P and CGR-30C Primary 4-Cylinder Engine Monitor Combo
←Learn More
←Learn More
Brand Name: Electronics International

CGR-30P & CGR-30C Primary 6-Cylinder Engine Monitor Combo
Item: EI CGR-30COMBO-6
Price: $5,395.00
Price: $5,395.00
Electronics International CGR-30P & CGR-30C Primary 6-Cylinder Engine Monitor Combo
←Learn More
←Learn More
Brand Name: Electronics International

CGR-30P-4-B Primary Engine Monitor, 4-Cylinder Basic Package with RPM, EGT/CHT Bar Graph, Fuel Flow, OAT & Volts
Item: EI CGR-30P-4-B
Price: $3,081.00
Price: $3,081.00
Electronics International CGR-30P-4-B Primary Engine Monitor, 4-Cylinder Basic Package with RPM, EGT/CHT Bar Graph, Fuel Flow, OAT & Volts
←Learn More
←Learn More
Brand Name: Electronics International

CGR-30P-6-B Primary Engine Monitor, 6-Cylinder Basic Package with RPM, EGT/CHT Bar Graph, Fuel Flow, OAT & Volts
Item: EI CGR-30P-6-B
Price: $3,732.00
Price: $3,732.00
Electronics International CGR-30P-6-B Primary Engine Monitor, 6-Cylinder Basic Package with RPM, EGT/CHT Bar Graph, Fuel Flow, OAT & Volts
←Learn More
←Learn More
Brand Name: Electronics International

Electronics International CGR-30C STC'd/TSO'd Primary Engine Monitor
Item: EI CGR-30C
EI Gauge Upgrade: $2,196.00
New Installations: $2,648.00
EI Gauge Upgrade: $2,196.00
New Installations: $2,648.00
Electronics International CGR-30C STC'd/TSO'd Primary Engine Monitor
←Learn More
←Learn More
Brand Name: Electronics International

CGR-30P-4-P Primary Engine Monitor, 4-Cyl Premium w/RPM, EGT/CHT & 10 Functions
Item: EI CGR-30P-4-P
Price: $3,706.00
Price: $3,706.00
Electronics International CGR-30P-4-P Primary Engine Monitor 4-Cylinder Premium Package
w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
Brand Name: Electronics International

CGR-30P-6-P Primary Engine Monitor, 6-Cyl Premium w/RPM, EGT/CHT & 10 Functions
Item: EI CGR-30P-6-P
Price: $4,116.00
Price: $4,116.00
Electronics International CGR-30P-6-P Primary Engine Monitor 6-Cylinder Premium Package
w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
Brand Name: Electronics International

CGR-30P 4-Cylinder Primary Twin Engine Monitors, Premium (2 Monitors) w/RPM, EGT/CHT & 10 Functions
Item: EI CGR-30-T-4
Price: $7,412.00
Price: $7,412.00
Electronics International CGR-30P 4-Cylinder Primary Twin Engine Monitors
Premium Package (2 Monitors) w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
Premium Package (2 Monitors) w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
Brand Name: Electronics International

CGR-30P 6-Cylinder Primary Twin Engine Monitors, Premium (2 Monitors) w/RPM, EGT/CHT & 10 Functions
Item: EI CGR-30-T-6
Price: $8,231.00
Price: $8,231.00
Electronics International CGR-30P 6-Cylinder Primary Twin Engine Monitors
Premium Package (2 Monitors) w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
Premium Package (2 Monitors) w/RPM, EGT/CHT Bar Graph & 10 Functions
←Learn More
Brand Name: Electronics International

CGR-30P (2 Monitors) & CGR-30C Primary 4-Cylinder Twin Engine Monitor Combo
Item: EI CGR-30-TC-4
Price: $8,824.00
Price: $8,824.00
Electronics International CGR-30P (2 Monitors) and CGR-30C
Primary 4-Cylinder Twin Engine Monitor Combo
←Learn More
Primary 4-Cylinder Twin Engine Monitor Combo
←Learn More
Brand Name: Electronics International

CGR-30P (2 Monitors) & CGR-30C Primary 6-Cylinder Twin Engine Monitor Combo
Item: EI CGR-30-TC-6
Price: $9,644.00
Price: $9,644.00
Electronics International CGR-30P (2 Monitors) and CGR-30C
Primary 6-Cylinder Twin Engine Monitor Combo
←Learn More
Primary 6-Cylinder Twin Engine Monitor Combo
←Learn More
Brand Name: Electronics International

Electronics International USB-6A STC'd/PMA'd 6-Port Smart Charger
Item: EI USB-6A
Price: $179.00
Price: $179.00
Electronics International USB-6A STC'd/PMA'd 6-Port Smart Charger
←Learn More
←Learn More
Brand Name: Electronics International
Secure Card Transactions
![]() |
Chief's Secure Ordering
Online Orders: | Our Site is Secure! |
Aircraft / Avionics Orders: | (800) 447-3408 |
Radio Control Orders: | (877) 219-4489 |
24 Hour Fax: | (541) 479-4431 |




Chief's Customer Service
Customer Service: (800) 447-3408