The equipment is fantastic, very intuitive, and easy to use.
- Customer
Gregory S. From Brazil
- Aircraft
Air Tractor AT-502A
- EI Instrument
8am–4:30pm PST M–F
[mbhi location="Main"]
A-102 Adapter Plate
A-102
$28
Lead Time: Usually ships within 2–3 business days.

The equipment is fantastic, very intuitive, and easy to use.
EI has the best customer service of any company that I’ve ever dealt with.
Great… price [&] support
. . . more functionality, easier install, and folks at Gulfcoast said your customer service is outstanding.
Very happy with our new tachometer!
My mechanic said that your product was very good, and he was correct.
I like the 3.125″ format. Plus there are no hidden costs of probes you have to buy later…
All looks very nice. [I chose E.I. because of] previous experience.
[Customer service] is great!
[I chose EI because of its] reputation [and the] quality and appearance of the instrument.
Good equipment at a good price. I have used your products before and have had great success.
Big improvement over old cluster (gauges). Good customer service.