Easy install, good product. [I chose EI because of my] experience with [the] product.
- Customer
Dave S. from Missouri
- Aircraft
Beechcraft Bonanza Model 35
- EI Instrument
8am–4:30pm PST M–F
Sorry, We’re Closed
S-300 External 300 Amp Shunt
S-300
$60

Easy install, good product. [I chose EI because of my] experience with [the] product.
We liked the price and the reputation of your company.
Customer Service is far superior… with an excellent record of resolving … technical issues.
Customer service always quick and easy. [I chose E.I. because of] price and being recommended by friends.
Excellent customer service. Without a doubt the best aviation part I have purchased.
It works very well; easy operation.
Great tech support. Someone always answers and gives accurate concise information.
Nice unit. EI is the best!
Fantastic customer support!
The [unit] is easy to read and quick to respond. I have multiple EI units and have had good experiences with all.
Installed digital volt/amp gauge in PA 28-181. Great unit easy to install. Much better than original.
The CGR-30P is a fantastic product and EI has excellent customer service. EI is the leader in engine monitors with a strong track record.