Outstanding support. From the friendly demeanor of whoever answers the phone to all the way to [their sales representative]. Your CGR-30 series is superb.
FT-90 Fuel Flow Transducer
FAA Approved Instrument
- FAA TSO’d and STC’d with EI Instruments
- For 350 to 550 HP engines, or gravity-feed engines.
- Gold anodized aluminum body, 5.3 ounces.
- 1/4″ female NPT, 1.375 in. (H) x 1.620 in. (W) x 1.90 in. (L)
- 3 to 125+ GPH, .05 PSI drop at 20 GPH, .2 PSI drop at 40 GPH
Have a gravity fed engine?
Take a look at our FT-60, engineered for engines with an engine-driven fuel pump. See below for more details.
Questions?
8am–4:30pm PST M–F
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Product Overview
Model Comparison
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| Model | FT-60 | FT-90 | FT-180 |
| Engine Type | Up to 350 HP engines, engine driven fuel pumps only. | 350-550 HP engines, gravity fed engines. | 550 HP+ engines, engine driven fuel pumps only. |
| Fuel Flow | .6 to 70+ GPH | 2 to 125+ GPH | 2 to 250+ GPH |
| Connection | 1/4″ female NPT | 1/4″ female NPT | 1/4″ female NPT with #8 male flare adapters |
| Typical Use | Piston with Fuel Pump | Piston Gravity Fed | TurboProp |
| Specifications | Download Info Sheet | Download Info Sheet | Download Info Sheet |
Prices
Retail Prices
Packages include:
- FT-90 Transducer
- OLC-2 Connectors (3)
- Installation Instructions
Description
Package
Retail Price
FT-90 Fuel Flow Transducer
FT-90
$388

Specifications
Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
Good to go! Excellent instructions and easy install. Outstanding instrument!
Your customer support is far superior . . . . I appreciate all your help.
Excellent Service. Superb Product.
- Customer
Steven N. from Colorado
- Aircraft
Cessna 182E Skylane
- EI Instrument
Why did you choose our products over the competition? Complete kit and ease of installation.
- Customer
Mitch G. from Canada
- Aircraft
DeHavilland DHC-2 beaver
- EI Instrument
Amazing aftermarket service. Good quality products
- Customer
YAJASI Y. from New Guinea
- Aircraft
Pilatus Porter PC-6
- EI Instrument
Great to have all 6 egt’s, installation was straightforward. [I chose E.I. because of] price and availability.
- Customer
Errol O. from Ontario, Canada
- Aircraft
Cessna 182 Skylane
- EI Instrument
Sharp-looking gauges. [I chose EI because of your] reputation.
- Customer
Garrett R. from Alaska
- Aircraft
Beechcraft King Air Model B100
- EI Instrument
Your (customer) service is excellent!
- Customer
Thomas T. from Washington
- Aircraft
Piper PA-18-150
- EI Instrument
Love the look and having every piece of info in front of me… Better price and look [versus competition].
Great system and great benefit having everything in one place. Love it.
- Customer
Gary D. from OK
- Aircraft
PA28R-200
- EI Instrument
[The EAC-1] looks great running… The wiring harness was very well fabricated. Installation was easy- fit perfectly in an existing hole in panel. The brightness of the display is excellent.
