AED's Nitrophyl Modified Float is machined, weighted, and coated to hold a consistent fuel level under the high G-forces found in sideways-mount, oval track, and drag race applications, where a standard float can't keep up.
Specifications:
- Nitrophyl construction
- Machined, weighted, and coated for consistent fuel level under high G-force
- Center hung, secondary float
- For sideways-mount, oval track, and drag race applications
- Fits Holley 4150 carburetors
- Part Number: 5381
FAQ
What applications is this float designed for?
It's built for sideways-mount, oval track, and drag race applications where high G-forces can upset fuel level.
What carburetors does this float fit?
It fits Holley 4150 carburetors as a center hung, secondary float.
Why is it made from Nitrophyl instead of standard material?
Nitrophyl construction, combined with machining, weighting, and coating, helps the float maintain a consistent fuel level under high G-force conditions that would upset a standard float.
Is this a primary or secondary float?
It's a secondary, center hung float.

