Fiberglass NACA Ducts

Image Part Number Description Price Unit
C42-016 C42-016
NACA DUCT 3 in. Hand Laid Fiberglass

3 in. Wide
6-1/2 in. Long
7/8 in. Inlet Depth

Made in the USA
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$60.99 Each
C42-017 C42-017
NACA DUCT 4 in. Hand Laid Fiberglass

4 in. Wide
9 in. Long
1 in. Inlet Depth

Made in the USA
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$67.99 Each
C42-030 C42-030
NACA DUCT 7 in. Hand Laid Fiberglass

7 in. Wide
14 in. Long
2 in. Inlet Depth

Made in the USA
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$101.99 Each

Fiberglass NACA Duct

Lightweight hand laid fiberglass NACA ducts provide positive, low resistance air transfer. Similar to an airplane, drag is also undesirable for a race car. A NACA duct will transfer air into or out of a vehicle with minimal drag increase.

These ducts are easily attached with bonding compound or riveted to fiberglass, aluminum, and steel body panels. Multiple ducts can be mounted side by side when increased airflow volume is required. Reversing the mounting direction will either introduce or remove fresh air. The mounting flanges are approximately 1" wide.

NACA ducts were originally developed by and named for the National Advisory Committee for Aeronautics (NACA) which was the predecessor agency to the National Aeronautics and Space Administration (NASA). 

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