I have been flying with EI instruments for over 20 years. I purchased the CGR-30P to update my engine instruments into one modern package.
A-102 Adapter Plate
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Product Overview
Prices
Retail Prices
Included:
- A-102 Adapter Plate
- 4 black screws (6×32 x .4″)
Description
Package
Retail Price
A-102 Adapter Plate
A-102
$28
Lead Time: Usually ships within 2–3 business days.

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Testimonials
Customer Testimonials
Good support when we called with particular questions with the initial setup. We liked the functions and the price.
Good equipment at a good price. I have used your products before and have had great success.
- Customer
Ryan M. from Oregon
- Aircraft
Cessna 172L
- EI Instrument
[Customer Support was] very responsive and helpful. [I heard about EI through] advice from others. Just about everyone I asked about the CGR-30 loves it and your company.
- Customer
Brett U. from Idaho
- Aircraft
Piper PA-28 S-180 Cherokee
- EI Instrument
This is the third EI instrument I am having installed in “Lillybelle .” I am impressed with the ease of operation, the affordability and the accuracy of each of these instruments. For years I trusted my life to 50+ year old gauges. Now I don’t have to. What a relief!
- Customer
Charles M. from South Dakota
- Aircraft
Cessna 150F
- EI Instrument
Very nice product, giving a real advantage on fuel management.
- Customer
Stéphane T. from France
- Aircraft
Mudry CAP 20E
- EI Instrument
I won a FP-[5]L and had it installed in my c150. I was/am impressed with the accuracy and ease of operation of the FP. I wanted a new tach and I trust (and verified) that the EI R-1… would be my best choice. I am not a rich man. These instruments are affordable and incredibly accurate. Already planning my next buy from EI.
- Customer
Charles M. from South Dakota
- Aircraft
Cessna 150F
- EI Instrument
The CGR-30P is working great and it’s an outstanding addition to our avionics package.
Phone service for ordering was quick and easy. Shipping was quick.
Great service and support for great products!
Fantastic customer support!
While the installation is not quite done yet, I have seen the unit in my aircraft with the engine running and the monitor producing numbers. It looks very good and I cannot wait to go flying with it!