High-Flow Flex Fan
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Imperial High-Flow Flex Fan

Part No. 221618 Warranty  

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Flex fan with 18-1/4" diameter. Standard rotation. 6 blades. Flex fans provide maximum airflow when the engine is operating at low RPMs, such as in stop-and-go traffic. When the engine is operating at higher RPMs, the fan blades flatten to reduce the draw on engine horsepower.

Product Features:
  • High-Flow Flex Fan
  • 18-1/4" diameter; 6 blades; standard rotation
  • Use with an Imperial fan spacer kit
  • Stainless-steel blades
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Blade Color:Stainless Steel
Blade Material:Stainless Steel
Blade Quantity:6
Diameter:18.25 in
Height:18.25 in
Material:Bi Metal
Maximum RPM:6000 rpm
Mounting Hardware Included:No
Thickness:2.125 in
Width:18.25 in


by PowerReviews
ImperialHigh-Flow Flex Fan

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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(7 of 15 customers found this review helpful)


great online price great product

By bigdaddy

from salisbury

About Me Auto Enthusiast, Mechanic

Verified Buyer
Level 3


  • Attractive Design
  • Easy To Install
  • Functional
  • Lightweight


    Best Uses

    • Everyday Driving
    • Performance Driving
    • Racing
    • Replacement
    • Restoration

    Comments about Imperial High-Flow Flex Fan:


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