This is a high quality instrument and works perfectly. Well designed, well constructed and well documented. I couldn’t be more pleased!
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.

Specifications
Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
My mechanic said that your product was very good, and he was correct.
I like how the kits ship with everything needed for install and the wire labeling was very helpful.
- Customer
Nathan V. from Alaska
- Aircraft
c-150
- EI Instrument
Love it!
- Customer
Corey B. From Texas
- Aircraft
Grumman American AA-5A Cheetah
- EI Instrument
Safety and simplicity!
- Customer
Andrew L. from Florida
- Aircraft
Piper PA-28-235 Cherokee Pathfinder
- EI Instrument
Great service. [I replaced/upgraded] unit in aircraft.
- Customer
Adam M. from NSW, Australia
- Aircraft
Piper PA-28-181 Cherokee
- EI Instrument
Excellent Service. Superb Product.
- Customer
Steven N. from Colorado
- Aircraft
Cessna 182E Skylane
- EI Instrument
The reviews online were very good. Customer service has been great.
The OPT-1 is more readable than the factory Cessna oil pressure/temp gauges.
- Customer
Daniel N. From California
- Aircraft
Cessna 175 Skylark
- EI Instrument
[I chose EI because of its] reputation [and the] quality and appearance of the instrument.
- Customer
Denis F. from Alberta Canada
- Aircraft
Piper PA-28R-201T Turbo Arrow III
- EI Instrument
I like being able to get a hold of a technical expert immediately when calling into the main EI phone number… The build quality of the sensors, display unit and EDC seem very good… I appreciate the business practices of EI and have had an EI R-1 Tachometer which has worked flawlessly for the past 20 years.
- Customer
Eric B. From Texas
- Aircraft
Grumman American AA-5B Tiger
- EI Instrument
Your company shares a good reputation!