Love the look and having every piece of info in front of me… Better price and look [versus competition].
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?
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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
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Documents
Documents & Manuals
Testimonials
Customer Testimonials
Looks great. Works great.
- Customer
Stephen W. N. from Texas
- Aircraft
Cessna 177 Cardinal
- EI Instrument
Your customer support is far superior . . . . I appreciate all your help.
Keep it up. I’ll keep coming back.
After a full IFR install on my Cessna 175, my two favorite instruments without question is the CGR-30 Combo set. Simple and customizable, the data is invaluable!
Works great!
- Customer
Ronald G. From Washington
- Aircraft
Cessna 195A
- EI Instrument
Excellent Service. Superb Product.
- Customer
Steven N. from Colorado
- Aircraft
Cessna 182E Skylane
- EI Instrument
Customer service always quick and easy. [I chose E.I. because of] price and being recommended by friends.
- Customer
Kenneth C. from Florida
- Aircraft
Piper PA-32-260 Cherokee Six E
- EI Instrument
The R-1-6 is a great instrument. [I chose EI because of] quality.
- Customer
J. Gregg from North Carolina
- Aircraft
Cessna 172
- EI Instrument
Phone service for ordering was quick and easy. Shipping was quick.
Easy installation.
Very impressed with the clarity and readability of the CGR-30P gauge.
- Customer
Richard K. from New York
- Aircraft
Piper PA-28-181 Archer III
- EI Instrument
